US prosecutors are reportedly considering charging 'El Chapo' Guzman with the killings of 6 US citizens and a DEA agent

  • US prosecutors are reportedly considering charging 'El Chapo' Guzman with the killings of US citizens in Mexico.
  • Guzman currently faces a number of charges related to drug trafficking.
  • Prosecutors are likely to call a number of drug traffickers and former cartel members to testify against Guzman.


US prosecutors are considering charging former Sinaloa cartel chief Joaquin "El Chapo" Guzman with the killings of six US citizens and a US Drug Enforcement Administration agent, according to Dallas ABC affiliate WFAA.

Three former Mexican police officers have told the US Attorney in Los Angeles that they saw Guzman take part in the killings in late 1984 and 1985. One of the officers, Jorge Godoy, who is now a protected witness in the US, told WFAA that Guzman "likes to cut the people."

The US Attorney in LA declined to comment to WFAA. A spokesman for the US Attorney for the Eastern District of New York, where Guzman faces trial, also declined to comment.

Mike Vigil, former chief of international operations for the DEA, told Business Insider that prosecutors were considering adding those charges and "may link them to Chapo Guzman through drug traffickers that may testify" against him.

See more of "El Chapo": 

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Joaquin 'El Chapo' Guzman
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Joaquin 'El Chapo' Guzman
Mexico's top drug lord Joaquin "El Chapo" Guzman is escorted as he arrives at Long Island MacArthur airport in New York, U.S., January 19, 2017, after his extradition from Mexico. Picture taken Janaury 19, 2017. U.S. officials/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. TPX IMAGES OF THE DAY
Wife of Joaquin "El Chapo" Guzman, Emma Coronel, exits following his court appearance at the Brooklyn Federal Courthouse in the Brooklyn borough of New York City, U.S., February 3, 2017. REUTERS/Brendan McDermid
Mexico's top drug lord Joaquin "El Chapo" Guzman is escorted by soldiers in Ciudad Juarez, Mexico, as he is extradited to New York in this handout image made available January 19, 2017. Faces of soldiers obscured and image watermarked at source. PGR - Mexico's Attorney General's Office/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY.
Mexico's top drug lord Joaquin "El Chapo" Guzman is escorted by soldiers in Ciudad Juarez, Mexico, as he is extradited to New York in this handout image made available January 19, 2017. Faces of soldiers obscured and image watermarked at source. PGR - Mexico's Attorney General's Office/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. TPX IMAGES OF THE DAY
A motorcade carrying Joaquin "El Chapo" Guzman crosses the Brooklyn Bridge following his court appearance in the Brooklyn borough of New York City, U.S., February 3, 2017. REUTERS/Brendan McDermid
Federal Police patrols park outside of Federal Prison Cefereso number 9 where Joaquin Guzman Loera aka 'El Chapo Guzman' was jailed before being extradited to the United States in Ciudad Juarez, Mexico on January 19, 2017. Mexico extradited drug kingpin Joaquin 'El Chapo' Guzman to the United States -- handing over one of the world's most notorious criminals on the eve of US President-elect Donald Trump's inauguration. / AFP / HERIKA MARTINEZ (Photo credit should read HERIKA MARTINEZ/AFP/Getty Images)
MEXICO CITY, MEXICO - JANUARY 8: Joaquin Guzman Loera, also known as 'El Chapo' is transported to Maximum Security Prison of El Altiplano in Mexico City, Mexico on January 08, 2016. Guzman Loera, leader of Mexico's Sinaloa drug Cartel, was considered the Mexican most-wanted drug lord. Mexican marines captured 'El Chapo' on Friday in Sinaloa, North of Mexico. (Photo by Daniel Cardenas/Anadolu Agency/Getty Images)
ALMOLOYA DE JUAREZ, July 16, 2015-- Security forces stand guard in the surroundings of the alleged house where was built the tunnel, through which escaped from prison Mexico's drug lord Joaquin 'El Chapo' Guzman, in Almoloya de Juarez, on the outskirts of Mexico City, Mexico, on July 15, 2015. Guzman, leader of the Sinaloa drug cartel, disappeared from the maximum-security Altiplano prison outside of Mexico City Saturday night, according to the National Security Commission. (Xinhua/Alejandro Ayala via Getty Images)
A Mexican soldier speaks with a man at the International airport in Mexico City on July 16, 2015. The Mexican government has offered a $3.8 million reward for fugitive drug lord Joaquin 'El Chapo' Guzman's capture, double the amount it usually offers for the country's most wanted criminals. AFP PHOTO/ YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
A Public Safety Secretary of the Federal District (SSPDF) police officer stands next to a patrol car with a picture of fugitive drug lord Joaquin 'El Chapo' Guzman's on its window, in Acapulco, Guerrero State, Mexico, on July 14, 2015. Mexico's government offered a $3.8 million reward for the capture of 'El Chapo' Guzman on Monday and sacked top prison officials amid suspicions that guards helped him escape. Guzman vanished from his cell late Saturday even though he was wearing a monitoring bracelet and surveillance cameras were trained on the room 24 hours a day, Interior Minister Miguel Angel Osorio Chong said. AFP PHOTO / PEDRO PARDO (Photo credit should read Pedro PARDO/AFP/Getty Images)
Mexico's Attorney General Arely Gomez shows a picture of Mexican drug kingpin Joaquin 'El Chapo' Guzman during a press conference held at the Secretaria de Gobernacion in Mexico City, on July 13, 2015. Guzman managed to escape from his cell despite a monitoring bracelet and 24-hour security camera surveillance, and likely was helped by prison officials, authorities said. AFP PHOTO/ Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
A poster with the face of Mexican drug lord Joaquin 'El Chapo' Guzman, reading 'Wanted, Again', is displayed at a newsstand in one Mexico City's major bus terminals on July 13, 2015, a day after the government informed of the escape of the drug kingpin from a maximum-security prison. Mexican security forces scrambled Monday to save face and recapture 'El Chapo' as authorities investigated whether guards helped him escape prison through a tunnel under his cell. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
MEXICO CITY, MEXICO - JULY 12: View of pipes near the Mexican Maximum Security Prison of 'El Altiplano' after the confirmation of the escape of Mexican drug trafficker Joaquin 'El Chapo' Guzman on July 12, 2015 in Mexico City, Mexico. 'El Chapo' was seen last time around 20:52 on the video security system when he got close to the showers where he normally takes his shower and washes his essentials. (Photo by Manuel Velasquez/LatinContent/Getty Images)
A Federal Police officer stands guard outside the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
A group of journalists remain close the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
A Federal Police officer stands guard outside the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
Picture of the yellow tape put by security forces of the Office of the Attorney General around the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
MEXICO CITY, MEXICO - JULY 12: Federal Police men patrol near of the Maximum Security Prison of 'El Altiplano' during an operation on the surroundings of Mexican Maximum Security Prison of 'El Altiplano' after the confirmation of the eescape of Mexican drug trafficker Joaquin 'El Chapo' Guzman on July 12, 2015 in Mexico City, Mexico. 'El Chapo' was seen last time around 20:52 on the video security system when he got close to the showers where he normally takes his shower and washeses his essentials. (Photo by Manuel Velasquez/LatinContent/Getty Images)
MEXICO CITY, MEXICO - JULY 12: View of a tunnel terminated in a house under construction in a neighborhood near the prison which was allegedly used Joaquin El Chapo Guzman to eescape, during an operation on the surroundings of Mexican Maximum Security Prison of 'El Altiplano' after confirming the escape of Mexican drug trafficker Joaquin 'El Chapo' Guzman on July 12, 2015 in Mexico City, Mexico. 'El Chapo' was seen last time around 20:52 on the video security system when he got close to the showers where he normally takes his shower and washeses his essentials. (Photo by Manuel Velasquez/LatinContent/Getty Images)
Picture of the yellow tape put by security forces of the Office of the Attorney General around the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
MEXICO CITY, MEXICO - JULY 12: View of a tunnel terminated in a house under construction in a neighborhood near the prison which was allegedly used Joaquin El Chapo Guzman to eescape, during an operation on the surroundings of Mexican Maximum Security Prison of 'El Altiplano' after confirming the escape of Mexican drug trafficker Joaquin 'El Chapo' Guzman on July 12, 2015 in Mexico City, Mexico. 'El Chapo' was seen last time around 20:52 on the video security system when he got close to the showers where he normally takes his shower and washeses his essentials. (Photo by Manuel Velasquez/LatinContent/Getty Images)
Picture of the yellow tape put by security forces of the Office of the Attorney General around the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
MEXICO CITY, MEXICO - JULY 12: Arelly Gomez General Attorney of Mexico walks during an operation on the surroundings of Mexican Maximum Security Prison of 'El Altiplano' after te confirmation of the eeescape of Mexican drug trafficker Joaquin 'El Chapo' Guzman on July 12, 2015 in Mexico City, Mexico. 'El Chapo' was seen last time around 20:52 on the video security system when he got close to the showers where he normally takes his shower and washeses his essentials. (Photo by Manuel Velasquez/LatinContent/Getty Images)
Security forces of the Office of the Attorney General secure the house at the end of the tunnel through which Mexican drug lord Joaquin 'El Chapo' Guzman could have escaped from the Altiplano prison, in Almoloya de Juarez, Mexico, on July 12, 2015. Guzman has escaped from a maximum-security prison, the government said Sunday, his second jail break in 14 years. The kingpin was last seen in the shower area of the Altiplano prison in central Mexico late Saturday before disappearing. 'The escape of Guzman was confirmed', the National Security Commission said in a statement. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
Guatemalan Interior Deputy Minister Elmer Sosa shows a picture of Mexican drug trafficker Joaquin 'El Chapo' Guzman Loera during a press conference in Guatemala City on July 12, 2015. The security authorities of Guatemala are in alert after the escape of the leader of the powerful Sinaloa cartel, reported Sunday an official source. AFP PHOTO / Johan ORDONEZ (Photo credit should read JOHAN ORDONEZ/AFP/Getty Images)
View of the covers of Mexican newspapers in Mexico City, on February 23, 2014, after Mexican drug trafficker Joaquin Guzman Loera aka 'el Chapo Guzman' was arrested yesterday by Mexican marines. Guzman is the Sinaloa cartel leader and the most wanted by US and Mexican anti-drug agencies. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
A semi-submersible which was seized with seven and a half tons of cocaine, is exhibited at a military unit in Tegucigalpa on February 24, 2014. Hoduran President Juan Orlando Hernandez congratulated the Mexican government for the capture of Mexican drug trafficker Joaquin 'El Chapo' Guzman, who had extended his power to Central America, linked for over two decades to groups that control vast territories for the passage of drugs to the US. AFP PHOTO/Orlando SIERRA (Photo credit should read ORLANDO SIERRA/AFP/Getty Images)
Drug lord Joaquin 'El Chapo' Guzman escaped his captors by walking along this drainage canal and tunnel behind a house in Culiacan, Mexico, last week. Guzman was finally captured on Saturday in the nearby city of Maz. Photo was taken Feb. 24, 2014. (Tim Johnson/MCT via Getty Images)
Members of the press take photographs as drug trafficker Joaquin 'El Chapo' Guzman is flown by a Federal Police helicopter, blue helicopter in center, from a Navy hangar at Mexico's International Airport in Mexico city, Mexico, on Saturday, Feb. 22, 2014. Mexico's apprehension of the world's most-wanted drug boss struck a blow to a cartel that local and U.S. authorities say swelled into a multinational empire, fueling killings around the world. Photographer: Susana Gonzalez/Bloomberg via Getty Images
View of the inside of a semi-submersible -seized with seven and a half tons of cocaine- exhibited at a military unit in Tegucigalpa on February 24, 2014. Hoduran President Juan Orlando Hernandez congratulated the Mexican government for the capture of Mexican drug trafficker Joaquin 'El Chapo' Guzman, who had extended his power to Central America, linked for over two decades to groups that control vast territories for the passage of drugs to the US. AFP PHOTO/Orlando SIERRA (Photo credit should read ORLANDO SIERRA/AFP/Getty Images)
Drug lord Joaquin 'El Chapo' Guzman escaped his captors by walking along this drainage canal and tunnel behind a house in Culiacan, Mexico, last week. Guzman was finally captured on Saturday in the nearby city of Maz. Photo was taken Feb. 24, 2014. (Tim Johnson/MCT via Getty Images)
View of the covers of Mexican newspapers in Mexico City, on February 23, 2014, after Mexican drug trafficker Joaquin Guzman Loera aka 'el Chapo Guzman' was arrested yesterday by Mexican marines. Guzman is the Sinaloa cartel leader and the most wanted by US and Mexican anti-drug agencies. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
Jesus Murillo Karam, attorney general of Mexico, center, stands next to Vidal Francisco Soberon Sanz, an admiral of the Mexican Navy, right, and Salvador Cienfuegos Zepeda, Mexican secretariat of national defense, left, while speaking about the capture of drug trafficker Joaquin 'El Chapo' Guzman to members of the press outside a Navy hangar at Mexico's International Airport in Mexico city, Mexico, on Saturday, Feb. 22, 2014. Mexico's apprehension of the world's most-wanted drug boss struck a blow to a cartel that local and U.S. authorities say swelled into a multinational empire, fueling killings around the world. Photographer: Susana Gonzalez/Bloomberg via Getty Images
Members of the Mexican Navy stand guard during an operation to present Mexican drug trafficker Joaquin Guzman Loera aka 'el Chapo Guzman' to the press, on February 22, 2014 in Mexico City. The Sinaloa cartel leader - the most wanted by US and Mexican anti-drug agencies - was arrested early this morning by Mexican marines at a resort in Mazatlan, northern Mexico. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
Members of the Mexican Navy stand guard near a helicopter transporting Mexican drug trafficker Joaquin Guzman Loera aka 'el Chapo Guzman', on February 22, 2014 in Mexico City. The Sinaloa cartel leader - the most wanted by US and Mexican anti-drug agencies - was arrested early this morning by Mexican marines at a resort in Mazatlan, northern Mexico. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
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The killings came over a nine-week period between 1984 and 1985 and were reportedly in response to the DEA and Mexican federal police raiding and destroying the El Bufalo ranch in northern Chihuahua state in fall 1984.

The massive, 1,300-acre ranch's destruction likely constituted a multibillion-dollar loss for the Guadalajara cartel, then the most powerful in Mexico, and was particularly stinging for Rafael Caro Quintero, then one of the cartel's leaders.

The first killings came on December 2, 1984, when four Jehovah's Witness missionaries, two men and two women, knocked on the door of a drug lord. Godoy, who was then also working as a body guard for Ernesto Fonseca, another Guadalajara kingpin, said the missionaries were tortured and the women raped.

They "knocked on the wrong door," Vigil said, and the traffickers "believed they were informants or DEA agents trying to gather information."

Godoy told WFAA that Guzman shot the missionaries one by one, letting their bodies fall into an open grave. The bodies have never been recovered.

At the end of January 1985, two US citizens were killed after entering a Guadalajara restaurant where members of the cartel were eating. Godoy said he was guarding the front door when one of the Americans asked to go in.

"I said, 'It's closed and please you have to go. Please go," he told WFAA. The pair was "in wrong place at the wrong time," Vigil said.

The two began to walk away, but Caro Quintero saw them and ordered them brought inside, Godoy said, adding that he knew the Americans were likely mistaken for US agents.

The cartel members "erroneously assumed that they were DEA agents, so they took them to the back and they stabbed them to death, and the bodies were never recovered," Vigil said. Godoy claims to have seen Guzman cut one of the captive's throats and help wrap the bodies and bury them in a park.

Related: See inside the former home where Guzman was caught: 

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El Chapo's house, scene of gunfight
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El Chapo's house, scene of gunfight
A Mexican marine keeps watch in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Bullet holes on a wall in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Blood in a room inside the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Traces of heavy fighting in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
A pool of blood in a room inside the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
A room inside the house where five gang member suspects were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
View of a room in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Inside a room in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Bullet holes on a wall in the house where five alleged gang members were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
A room inside the house where five gang member suspects were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
A journalist films on January 11, 2016 inside the house where five gang member suspects were killed in the military operation which resulted in the recapture of Joaquin 'El Chapo' Guzman, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
Journalists work on a tunnel through which Mexican drug kingpin Joaquin 'El Chapo' Guzman tried to escape during the military operation that resulted in his recapture, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
A journalist walks along a tunnel through which Mexican drug kingpin Joaquin 'El Chapo' Guzman tried to escape during the military operation that resulted in his recapture, in Los Mochis city, Sinaloa State, Mexico on January 11, 2016. Mexican marines recaptured fugitive drug kingpin Joaquin 'El Chapo' Guzman on January 8 in the northwest of the country, six months after his spectacular prison break embarrassed authorities. AFP PHOTO/HECTOR GUERRERO / AFP / HECTOR GUERRERO (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)
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On February 7, 1985, Guzman was dispatched to help kidnap Alfredo Zavala, a pilot who flew DEA agent Enrique Camarena to find the cartel's marijuana fields, according to Godoy. Camarena was abducted the same day, picked up off a Guadalajara street while on his way to meet his wife for lunch.

Camarena and Zavala were found a month later in shallow graves. Both showed signs of torture, and Godoy said he saw Guzman and others "jumping with their knees" on the captives, breaking their ribs.

Camarena's kidnapping and killing brought intense pressure from the US on Mexican authorities. Caro Quintero and Fonseca were caught before the end of 1985. Guadalajara cartel chief Miguel Angel Felix Gallardo, for whom Guzman worked as a driver, remained on the run until 1989. (Caro Quintero, sentenced to 40 years in prison, was released on a technicality in 2013 and was recently added to the FBI's 10 Most Wanted list.)

Guzman is not currently charged with the killing of US citizens.

Sources told WFAA that US prosecutors may have dropped previous murder charges against Guzman because the victims were likely Mexicans killed in Mexico, but they would more able to try Guzman for the killing of US citizens in Mexico.

While the Guadalajara cartel was in power, and as Guzman worked his way up its ranks, it was involved in a lot of homicides, Vigil said.

Both the Guadalajara cartel and the Sinaloa cartel, a successor group led by Guzman, were responsible for the killing of "untold Americans, directly or indirectly," he added.

"Whether Chapo Guzman was involved or not, it's anybody's guess," Vigil said of the killings prosecutors are considering adding to the case. "But they do have these drug traffickers who are willing to testify."

The US federal government has said a number of cooperating witnesses, including Colombian drug traffickers, will testify "to prove Guzman's power" and "astonishing illegal profits." Through the Racketeer Influenced and Corrupt Organizations, or RICO, Act, prosecutors could link Guzman to the acts of others in his organization, Vigil said.

US prosecutors are "going to throw the kitchen sink and the entire bathroom at him," because they can't afford to lose the case, Vigil said, adding that may mean including "other traffickers whose credibility is not great."

SEE ALSO: The FBI just put the 'narco of narcos' on its 10 Most Wanted list

NOW WATCH: The wives of El Chapo's henchmen reveal how they hid and spent $2 billion

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