Border Patrol supervisor accused of killing woman, 1-year-old boy

A Border Patrol supervisor is facing two counts of capital murder in Texas after a woman he was romantically involved with and her 1-year-old child were found dead.

Ronald Anthony Burgos Aviles, who is in custody, had called 911 claiming to have found the bodies of 27-year-old Grizelda Hernandez and Dominick Alexander Hernandez near a park along the border with Mexico.

He was identified as a person of interest within an hour of Monday's 911 call, according to Laredo police spokesman Joe Baeza.

Authorities believe that Hernandez and her son were likely killed near the park, located close to the Rio Grande.

"The victims had visible signs of violence, which is now part of the official investigation," Laredo Police Department Chief Claudio Treviño Jr. said Tuesday, according to the Express-News. "Due to the sensitivity of the case and the magnitude of the ongoing investigation, we’re not going to state the exact nature of the matter of death at this time."

The 28-year-old Burgos Aviles was a nine-year veteran of the Border Patrol and had been promoted last year.

"The actions of this individual, if true, are both inexcusable and reprehensible," said Jason Owens, Border Patrol chief for the agency's Laredo sector. "No one is more sickened than we are at the thought of someone wearing this uniform committing such a heinous act."

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Border Patrol agents working along the US-Mexico border
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Border Patrol agents working along the US-Mexico border
A Border Patrol agent drives his ATV during the official start for the construction of new bollard wall to replace 20-miles of primary vehicle barriers in Santa Teresa, New Mexico, United States April 9, 2018. REUTERS/Jose Luis Gonzalez
A border patrol agent carries a bale of marijuana following a drug bust by the Mexico-U.S. border in the Rio Grande Valley sector, near McAllen, Texas, U.S., April 5, 2018. REUTERS/Loren Elliott
Border Patrol agents are pictured during the official start for the construction of new bollard wall to replace 20-miles of primary vehicle barriers in Santa Teresa, New Mexico, United States April 9, 2018. REUTERS/Jose Luis Gonzalez
Ladders collected and discarded by U.S. Border Patrol agents are pictured near a section of border fence in Hidalgo, Texas, U.S., April 11, 2018. REUTERS/Loren Elliott
Border Patrol agents keep watch during the official start for the construction of new bollard wall to replace 20-miles of primary vehicle barriers in Santa Teresa, New Mexico, United States April 9, 2018. REUTERS/Jose Luis Gonzalez TPX IMAGES OF THE DAY
Border patrol agents and a special operations group member from the Texas Ranger Division seize 297 pounds of marijuana following a drug bust by the Mexico-U.S. border in the Rio Grande Valley sector, near McAllen, Texas, U.S., April 5, 2018. REUTERS/Loren Elliott
An immigrant who jumped into a canal in an effort to escape capture after illegally crossing the Mexico-U.S. border gives up and turns himself in to a border patrol agent in the Rio Grande Valley sector, near McAllen, Texas, U.S., April 5, 2018. REUTERS/Loren Elliott
Border patrol agents briefly rest after seizing 297 pounds of marijuana in a drug bust by the Mexico-U.S. border in the Rio Grande Valley sector, near McAllen, Texas, U.S., April 5, 2018. REUTERS/Loren Elliott
Suspected drug mules are apprehended by border patrol agents following a drug bust at the Mexico-U.S. border in the Rio Grande Valley sector, near McAllen, Texas, U.S., April 5, 2018. REUTERS/Loren Elliott
Border patrol agents apprehend people who illegally crossed the border from Mexico into the U.S. in the Rio Grande Valley sector, near Falfurrias, Texas, U.S., April 4, 2018. REUTERS/Loren Elliott TPX IMAGES OF THE DAY
A Border Patrol vehicle is seen by the current border fence in Sunland Park, U.S., in this picture taken from the Mexican side of the border in Ciudad Juarez, Mexico April 4, 2018. REUTERS/Jose Luis Gonzalez
A border patrol agent apprehends people who illegally crossed the border from Mexico into the U.S. in the Rio Grande Valley sector, near Falfurrias, Texas, U.S., April 4, 2018. REUTERS/Loren Elliott
An agent from the US Customs and Border Protection Agency patrols along the border between Santa Teresa, Nuevo Mexico State, in the US, and Ciudad Juarez, Chihuahua State, in Mexico, on April 9, 2018 where the US plans to build a 32-km-long steel wall. Mexico is carrying out a sweeping review of its cooperation with the neighbouring United States because of 'blatant' tension with Donald Trump's administration, the foreign minister said Monday. / AFP PHOTO / HERIKA MARTINEZ (Photo credit should read HERIKA MARTINEZ/AFP/Getty Images)
A US Border Patrol agent stands along the border fence on April 6, 2018 in Calexico, California. US President Donald Trump on April 5, 2018 said he would send thousands of National Guard troops to the southern border, amid a widening spat with his Mexican counterpart Enrique Pena Nieto. The anti-immigration president said the National Guard deployment would range from 2,000 to 4,000 troops, and he would 'probably' keep many personnel on the border until his wall is built -- spelling out a lengthy mission. / AFP PHOTO / Sandy Huffaker (Photo credit should read SANDY HUFFAKER/AFP/Getty Images)
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Investigators are trying to learn more about Burgos Aviles' relationship with Hernandez, and whether anyone else was involved in the slayings.

Webb County District Attorney Isidro Alaniz said the case "is being given extreme priority." He said it is too early to determine if prosecutors will seek the death penalty.

"It’s a very sad case for law enforcement today," Webb County District Attorney Isidro Alaniz said during Tuesday's press conference. "We keep in mind that we’re celebrating National Crime Victims’ Rights Week ... It’s ironic that this happens during this week."

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Various types of homes, lifestyles in shadow of the border fence
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Various types of homes, lifestyles in shadow of the border fence
A shoe and clothes pins are seen on a clothes line next to a section of the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, March 3, 3017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Tourists take pictures next to the fence separating Mexico and the United States, in Tijuana, Mexico, February 24, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican Carlos, 27, who says that he was deported from the United States, heats up tortillas at his house near the double fence that separates Mexico and the United States, in Tijuana, Mexico, March 3, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Pensioner Pedro, 72, rests outside his home near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 21, 2017. "Neither Trump nor the wall is going to stop anyone, maybe just for a moment," he said. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Pants hang on a section of the fence separating Mexico and the United States, in Tijuana, Mexico, March 3, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A man is fishing next to the fence separating Mexico and the United States, in Tijuana, Mexico, February 24, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican carpenter Porfirio, 68, stands near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 23, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Joaquin, 36, a chef from Guatemala who says he was deported from the United States, builds a bed in a tree, near a section of the border fence separating Mexico and the United States, in Tijuana, Mexico, February 26, 2017. "I've tried to cross so many times that the (U.S.) border guards even got to know me, but I never made it back," said Joaquin, who makes a living by collecting trash in Tijuana that he tries to sell to a local recycling plant. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Joaquin, 36, a chef from Guatemala who says he was deported from the United States, poses for a photograph while leaning on a section of the border fence separating Mexico and the United States, in Tijuana, Mexico, February 26, 2017. "I've tried to cross so many times that the (U.S.) border guards even got to know me, but I never made it back," said Joaquin, who makes a living by collecting trash in Tijuana that he tries to sell to a local recycling plant. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A man sells hot dogs next to the fence separating Mexico and the United States, in Tijuana, Mexico, February 24, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican carpenter Porfirio, 68, cuts his son's hair outside their home near the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 21, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Pensioner Pedro, 72, is seen at his house near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 26, 2017. "Neither Trump nor the wall is going to stop anyone, maybe just for a moment," he said. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Pensioner Pedro, 72, caresses his dog Orejona outside his home near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 23, 2017. "Neither Trump nor the wall is going to stop anyone, maybe just for a moment," he said. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A shopping cart with a typical Mexican hat and a broom are seen next to the fence separating Mexico and the United States, in Tijuana, Mexico, February 28, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A member of the U.S. border patrol inspects the area where the border fence separating Mexico and the United States is interrupted, on the outskirts of Tijuana, Mexico, February 21, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
The border fence separating Mexico and the United States is seen through a hole of a second border fence in an area where double border fences were built, in Tijuana, Mexico, February 28, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A family burns trash near a section of the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 23, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A girl runs outside her home near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, March 3, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican architect Carlos Torres, 68, adjusts signs near the double border fences separating Mexico and the United States, in Tijuana, Mexico, February 25, 2017. "Walls won't halt immigration," Torres said. Trump, he said, "doesn't know what he's talking about. Here at this fence, people keep crossing every week." REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A girl climbs stairs near a section of the fence separating Mexico and the United States, in Tijuana, Mexico, February 20, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY
Carpenter Moses and dental assistant Sara's home stands near a section of the fence separating Mexico and the United States, in Tijuana, Mexico, March 5, 2017. "Trump is a good actor, a racist and is ignorant of God and people. Kennedy said, we are brothers and no walls are needed," Sara said. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican architect Carlos Torres, 68, is reflected in a glass window of his house near a section of the double border fences separating Mexico and the United States, in Tijuana, Mexico, March 1, 2017. "Walls won't halt immigration," Torres said. Trump, he said, "doesn't know what he's talking about. Here at this fence, people keep crossing every week." REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Pilar, 27, a housewife, cleans her house near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, March 3, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A house stands near a section of the fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 21, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY
A shack stands next to a section of the border fence separating Mexico and the United States, in Tijuana, Mexico, February 20, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Joaquin, 36, a chef from Guatemala who says he was deported from the United States, sits underneath a tree near a section of the border fence separating Mexico and the United States, in Tijuana, Mexico, February 28, 2017. "I've tried to cross so many times that the (U.S.) border guards even got to know me, but I never made it back," said Joaquin, who makes a living by collecting trash in Tijuana that he tries to sell to a local recycling plant. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A section of the border fence separating Mexico (L) and the United States is seen on the outskirts of Tijuana, Mexico, February 21, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
The Mexican neighborhood Nido de Aguilas is seen next to the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, March 2, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A painting of Jesus Christ is seen on the wall of a house, next to a section of the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, March 3, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A house stands next to a section of the border fence separating Mexico and the United States, in Tijuana, Mexico, February 28, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A section of the fence separating Mexico and the United States is seen, on the outskirts of Tijuana, Mexico, February 22, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
An officer of the U.S. border patrol inspects the area where the border fence separating Mexico and the United States is interrupted, on the outskirts of Tijuana, Mexico, February 23, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican engineer Enrique, 65, walks around a basketball court at his house, next to the border fence that separates Mexico and the United States and which also serves as the fence for his house, in Tijuana, Mexico, February 28, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
The roof of a house made with an advertisement banner is seen next to a section of the border fence separating Mexico and the United States, on the outskirts of Tijuana, Mexico, February 21, 2017. REUTERS/Edgard Garrido SEARCH "FENCE GARRIDO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
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