Colin Powell: Donald Trump 'has no sense of shame'

Former secretary of state Colin Powell is no fan of Donald Trump.

In a slew of emails obtained by BuzzFeed News, Powell tore into the Republican presidential candidate referring to him as an "international pariah" and a "national disgrace."

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In one email, Powell denounced Trump for perpetuating the "racist" birther movement that questioned President Barack Obama's US citizenship.

See Colin Powell through the years:

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Colin Powell through his career
Chairman of the Joint Chiefs of Staff General Colin Powell (C) and members of the 132nd MP Company pose for photographs in Saudi Arabia December 22, 1990. REUTERS/Jonathan Bainbridge (SAUDI ARABIA - Tags: POLITICS) BEST QUALITY AVAILABLE
President George H.W. Bush meets with his military advisors at the Pentagon to duscuss the Gulf crisis August 15, 1990. From left are: General Norman Schwarzkopf, chief of Middle East forces, Defense Secretary Dick Cheney, Bush and Chairman of the Joint Chiefs of Staff Colin Powell. REUTERS/Gary Cameron (UNITED STATES - Tags: POLITICS) BEST QUALITY AVAILABLE
Former U.S. Defense Secretary Richard Cheney and former Chairman of the Armed Forces Joint Chiefs of Staff, Colin Powell (L), speak with reporters about reductions in short range nuclear weapons during a press conference at the Pentagon in this September 28, 1991 file photo. PP03030031 REUTERS/Str HB/
Arriving at the Ronald Reagan Presidential Library for award ceremonies November 9 are (L-R) former President Ronald Reagan , Alma Powell , Nancy Reagan and General Colin L. Powell , former Chairman of the Joint Chiefs of Staff
Republican presidential candidate Texas Governor George W. Bush (R) and retired General Colin Powell talk during a campaign stop in Pittsburgh, October 26, 2000. Bush hammered rival Democratic presidential candidate Vice President Al Gore on the responsibility of leadership. JM/RCS
Texas Governor and Republican presidential candidate George W. Bush listens to former chairman of the joint chiefs retired Gen. Colin Powell at VFW Post 3323 in Westland, Michigan, September 7, 2000. Powell praised Bush's plan to reinvigorate the U.S. military. RTW/RCS
Richard Cheney, U.S. Defense Secretary during the Gulf War, and then Chairman of the Armed Forces Joint Chiefs of Staff, Colin Powell (R), address U.S. troops deployed in Saudi Arabia as part of operation Desert Shield during the Gulf crisis, in a December 21, 1990 file photo. According to reports, Republican presidential candidate George W. Bush decided on July 24, 2000 to offer the vice presidential spot on the Republican White House ticket to Cheney. Senior Republican sources in Washington said Bush would call Cheney soon and appear with him July 25. Cheney had previously told associates that if asked, he would accept the nomination. Bush had also been courting Powell for the Vice President's job, but Powell said he was not interested. HB/
Musician Kenny G (center/right) stands with students of Macfarland Middle School (front), Charles Goldstock of Arista Records (left/rear), and General Colin Powell (ret.) (center), as he launches his new Foundation called Miracles by donating instruments to the school in Washington July 1. The mission of The Kenny G Miracles Foundation is to bring the miracle of music to America's youth by providing resources for school programs. MMR
U.S. Secretary of State Colin Powell (R) points as he shakes hands with Russian Foreign Minister Igor Ivanov in Cairo February 24, 2001. Both men both men are expected to discuss arms control, Iraq and Middle East peace. Powell said his meeting with Ivanov would be a "get acquainted session" and the start of the engagement between the new Bush administration and the Putin government in Moscow.
U.S. Secretary of State Colin Powell (R) laughs along with other U.S. officials during ceremonies marking the 10th anniversary of Operation Desert Storm in Kuwait City February 25, 2001. From left, are: former National Security Adviser Brent Scowcroft, retired General Norman Schwarzkopf, U.S. Ambassador to Kuwait James Larocco and Powell, a retired general and former Joint Chiefs chairman during the Gulf war. REUTERS/Royal Navy/Dave Coombs/Handout DVCC/SV
U.S. Secretary of State Colin Powell presents an American proposal to help bring the Israeli-Palestinian conflict under control May 21, 2001. Powell said on Monday he had instructed his ambassador to Jordan, William Burns, to help Israelis and Palestinians build a "timeline" for peace and urged both sides to call an immediate and unconditional cease-fire. KL/JP
U.S. Secretary of State Colin Powell testifies before the House Appropriations subcommittee on the Departments of Commerce, Justice, State and the Judiciary, on Capitol Hill in Washington March 26, 2003. Powell testified for the State Department's 2004 budget as well as the war in Iraq. REUTERS/Brendan McDermid BM
U.S. Secretary of State Colin Powell speaks on Iraq before members of the House International Affairs Committee on Capitol Hill, September 19, 2002. President Bush warned today that the U.N. Security Council must deal with Iraq or the United States and its allies would act alone. REUTERS/Kevin Lamarque KL/ME
U.N. Secretary-General Kofi Annan (2ndL) reads a final statement beside (L-R) Russian Foreign Minister Igor Ivanov, Spain's Foreign Minister Josep Pique, U.S. Secretary of State Colin Powell and EU Foreign Policy chief Javier Solana during their joint news conference at Moncloa Palace April 10, 2002. Leaders met to discuss the Middle East crisis.
WASHINGTON - OCTOBER 19: Former Secretary of State Gen. Colin Powell (ret.) speaks during a taping of 'Meet the Press' at NBC October 19, 2008 in Washington, DC. Secretary Powell spoke about his endorsement of Democratic presidential nominee U.S. Sen. Barack Obama (D-IL). (Photo by Brendan Smialowski/Getty Images for Meet The Press)
U.S. President Barack Obama meets with former Secretary of State Colin Powell in the Oval Office at the White House in Washington, December 1, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS)
U.S. President Barack Obama and Vice President Joe Biden meet with former Secretary of State Colin Powell in the Oval Office at the White House in Washington, December 1, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS)
Former Secretary of State Colin Powell stands over U.S. President Barack Obama during the signing of America's Promise Summit Declaration at the White House in Washington September 22, 2014. Powell served as the founding chairman of America's Promise Alliance which mobilizes non-profit groups, businesses, educators and communities to end high school dropout, and to prepare students for college and the workforce. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS EDUCATION)
Former US Secretary of State Colin Powell speaks alongside US Secretary of State Hillary Clinton during the unveiling of Powell's official State Department portrait in the Benjamin Franklin Room at the State Department in Washington, DC, on December 7, 2009. Powell served as Secretary of State from 2001-2005 under former US President George W. Bush. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
WASHINGTON - DECEMBER 07: Former U.S. Secretary of State Colin Powell walks by his official State Department portrait after an unveiling ceremony with U.S. Secretary of State Hillary Clinton in the Benjamin Franklin Room at the State Department December 7, 2009 in Washington, DC. Powell served as Secretary of State from 2001-2005 under former U.S. President George W. Bush. (Photo by Win McNamee/Getty Images)
Former US Secretaries of State Colin Powell (L) and Hillary Clinton speak during a ceremony to break ground on the US Diplomacy Center at the US State Department in Washington, DC, September 3, 2014. AFP PHOTO / Jim WATSON / AFP / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
WASHINGTON, DC - SEPTEMBER 03: Former Secretaries of State (L-R) Madeleine Albright, Colin Powell and Hillary Clinton share a laugh during the ceremonial groundbreaking for the future U.S. Diplomacy Center with former Secretary of State Colin Powell (L) at the State Department's Harry S. Truman Building September 3, 2014 in Washington, DC. When completed, the Diplomacy Center will be a museum and education center that will 'demonstrate the ways in which diplomacy matters now and has mattered throughout American history.' (Photo by Chip Somodevilla/Getty Images)
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"Yup, the whole birther movement was racist," Powell wrote, according to the BuzzFeed News report. "That's what the 99% believe. When Trump couldn't keep that up he said he also wanted to see if the certificate noted that he was a Muslim."

In another exchange, Powell went off on media — echoing the position of other lawmakers who believe the press helped fuel Trump's rise.

"You guys are playing his game, you are his oxygen," he said. "[Trump] outraged us again today with his comments on Paris no-go for police districts. I will watch and pick the timing, not respond to the latest outrage ..."

The real-estate mogul's controversial White House run has been unlike any other in modern history. Many of the campaign's highs and lows have been covered from every angle — much to the chagrin of the GOP nominee himself — who often rails against the coverage while simultaneously generating new headlines.

RELATED: See Trump through the years:

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Donald Trump through the years
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Donald Trump through the years
Donald Trump pauses in his apartment 5/20 after receiving the news that the Board of Estimate unanimously approved a 40-year tax abatement plan. Under the plan Trump will purchase and refurbish the Commodore Hotel, which closed into doors 5/18, from the Penn Central Transportation Corp. In return for his $10-million-dollar purchase and up to $100 million face-lifting investment, Trump will have no real estate taxes for 40 years.

(Bettmann via Getty Images)

Real estate developer Donald Trump announces intentions to build a $100 million dollar Regency Hotel.

(Photo by John Pedin/NY Daily News via Getty Images)

Donald Trump with Alfred Eisenpreis, New York City Economic Development Administrator. Sketch of new 1,400 room Renovation project of Commodore Hotel.

(Photo by NY Daily News Archive via Getty Images)

Donald Trump stands behind architect's model of City Hall Plaza.

(Photo by Frank Russo/NY Daily News Archive via Getty Images)

Donald Trump and Ivana Trump attend Roy Cohn's birthday party in February 1980 in New York City.

(Photo by Sonia Moskowitz/Getty Images)

Donna Mills and Donald Trump during 1983 Annual American Image Awards at Sheraton Center in New York City, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Donald Trump attends 38th Annual Horatio Alger Awards Dinner on May 10, 1985 at the Waldorf Hotel in New York City.

(Photo by Ron Galella/WireImage)

Portrait of real estate mogul Donald John Trump (b.1946), smiling slightly and facing to his right, 1983. New York.

(Photo by Bachrach/Getty Images)

Boxing promoter Don King holds up the arms of Mike Tyson and former champion Larry Holmes during a press conference here 12/1. Looking on is Donald Trump. The fight will be held at the Trump Plaza Hotel.

(Bettmann via Getty Images)

Donald Trump, real estate mogul, entrepreneur, and billionare poses in the foyer of his home in August 1987 in Greenwich, Connecticut.

(Photo by Joe McNally/Getty Images)

Donald Trump Jr. and Donald Trump during 1988 U.S. Open - September 3, 1988 at Flushing Meadows Corona Park in Queens, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Ivana Trump and Donald Trump during Mike Tyson vs Michael Spinks Fight at Trump Plaza - June 27, 1988 at Trump Plaza in Atlantic City, New Jersey, United States.

(Photo by Ron Galella/WireImage)

Billionaire Donald Trump and his wife Ivana arrive 04 December 1989 at a social engagement in New York.

(Photo credit should read SWERZEY/AFP/Getty Images)

Donald Trump and Daughter Ivanka Trump during Maybelline Presents 1991 Look of the Year at Plaza Hotel in New York City, New York, United States.

(Photo by Ron Galella/WireImage)

Donald Trump attends 'Hoop-La' Special Olympics Basketball Game on June 25, 1992 at the Plaza Hotel in New York City.

(Photo by Ron Galella/WireImage)

Donald Trump and Joan Rivers during Opening of The Rose Room in the Plaza Hotel at Plaza Hotel Rose Room in New York City, New York, United States.

(Photo by Ron Galella, Ltd./WireImage)

Donald Trump touches 07 April 1993 Marla Maples stomach to confirm published reports that the actress is pregnant with his child. The two arrived for Maples appearance in the Broadway musical 'The Will Rogers Follies'.

(HAI DO/AFP/Getty Images)

US business tycoon Donald Trump enters the PLaza Hotel in New York past supporters 21 December 1994. Hundreds of supporters showed up at a news conference where Trump denied a New York newspaper report that the Sultan of Brunei had bid 300 million USD to buy the Manhattan hotel.

(Photo credit should read DON EMMERT/AFP/Getty Images)

Donald Trump and Christine Whitman during Opening of New Warner Bros. Store in Trump Plaza Casino at Trump Plaza Casino in Atlantic City, New Jersey, United States.

(Photo by Ron Galella/WireImage)

Donald Trump attends Marc Jacobs Fashion Show on April 4, 1995 at the Plaza Hotel in New York City.

(Photo by Ron Galella/WireImage)

Boxing: IBC Heavyweight Title: View of celebrity businessman Donald Trump and actor Steven Seagal seated ringside during Lennox Lewis vs Tommy Morrison fight at Boardwalk Convention Hall. Atlantic City, NJ. (Photo by John Iacono /Sports Illustrated/Getty Images) 

New York real estate giant Donald Trump poses in his Trump Tower office on a giant letter 'T' on May 8, 1996.

(TIMOTHY A. CLARY/AFP/Getty Images)

Portrait of Marla Maples and her husband, businessman Donald Trump, with their daughter Tiffany, as they pose together at the Mar-a-Lago estate, Palm Beach, Florida, 1996.

(Photo by Davidoff Studios/Getty Images)

Donald Trump and Ron Delsner backstage at a KISS concert at Madison Squre Garden in New York City on July 25, 1996.

(Photo by Ebet Roberts/Redferns)

Donald Trump attending Halloween party thrown by Naomi Campbell and Kate Moss at the Supper Club to kick off Fashion Week.  

(Photo by Richard Corkery/NY Daily News via Getty Images)

Donald Trump open his new building at 1 Center Park West- The new Trump International Hotel and Tower.

(Photo byJames Hughes/NY Daily News via Getty Images)

Donald Trump and his girlfriend Celina Midelfar watch Conchita Martinez and Amanda Coetzer 07 September at US Open in Flushing Meadows, NY.

(TIMOTHY CLARY/AFP/Getty Images)

Celine Dion, husband Rene, Donald Trump & Ivanka Trump

(Photo by KMazur/WireImage)

Entrepreneur Donald Trump and Rev. Al Sharpton speak at a ribbon cutting ceremony for Sharpton's National Action Network Convention April 5, 2002 in New York City. The group aims to further the development of civil rights.

(Photo by Mario Tama/Getty Images)

Donald Trump and his girlfriend Melania Knauss attend the Marc Bouwer/Peta Fall/Winter 2002 Collection show February 14, 2002 during Mercedes-Benz Fashion Week in New York City.

(Photo by George De Sota/Getty Images)

Donald Trump at Madison Square Garden

(Photo by Alexander Hassenstein/Bongarts/Getty Images)

Donald Trump stands on the sidelines before the start of the AFC divisional playoffs between the New England Patriots and Tennessee Titans on January 10, 2004 at Gillette Stadium in Foxboro, Massachusetts. Temperatures have reached as low as 7 degrees in the Foxboro area.

(Photo by Al Bello/Getty Images)

Donald Trump, Visionary Business Leader award honoree, poses with his children Donald Trump Jr. and Ivanka at Fashion Group International's 22nd Annual 'Night Of Stars' at Cipriani's 42nd Street October 27, 2005 in New York City.

(Photo by Evan Agostini/Getty Images)

Eric Trump and Donald Trump attend the Chicago Bulls vs New Jersey Nets game at the IZOD Center on October 31, 2007 in East Rutherford, New York.

(Photo by James Devaney/WireImage)

 Donald Trump delivers a speech with his son Barron after he was honored with the 2,327th star on the Hollywood Walk of Fame on Hollywood Boulevard in Hollywood, CA, 16 January 2007.

(GABRIEL BOUYS/AFP/Getty Images)

Portrait of former model Melania Trump and her husband, businessman Donald Trump, as they sit together at a table during the 16th annual 'Lady in Red' gala, hosted by LIFE (Leaders In Furthering Education), at the Mar-a-Lago club, Palm Beach, Florida, December 4, 2009.

(Photo by Michele Eve Sandberg/Corbis via Getty Images)

Donald Trump sands with Miss Universe 2009 Stefania Fernandez of Venezuela prior to the Miss Universe 2010 Pageant Final at the Mandalay Bay Hotel in Las Vegas on August 23, 2010. Miss Universe is an annual international beauty pageant and along with the Miss World is the most publicized beauty contest in the world. California clothing company Pacific Mills founded the contest 1952 and was acquired by Donald Trump in 1996.

(MARK RALSTON/AFP/Getty Images)

US tycoon Donald Trump arrives to speak at the annual Conservative Political Action Conference (CPAC) at National Harbor, Maryland, outside Washington, on February 27, 2015.

(NICHOLAS KAMM/AFP/Getty Images)

Donald Trump speaks during the NRA-ILA Leadership Forum at the 2015 NRA Annual Meeting & Exhibits on April 10, 2015 in Nashville, Tennessee. The annual NRA meeting and exhibit runs through Sunday.

(Photo by Justin Sullivan/Getty Images)

Real estate mogul and billionaire Donald Trump attends Golf legend Jack Nicklaus' Congressional Gold Medal ceremony in the U.S. Capitol Rotunda March 24, 2015 in Washington, DC. Trump announed on March 18 that he has launched a presidential exploratory committee.

(Photo by Chip Somodevilla/Getty Images)

Businessman Donald Trump speaks to guests gathered for the Republican Party of Iowa's Lincoln Dinner at the Iowa Events Center on May 16, 2015 in Des Moines, Iowa. The event sponsored by the Republican Party of Iowa gave several Republican presidential hopefuls an opportunity to strengthen their support among Iowa Republicans ahead of the 2016 Iowa caucus.

(Photo by Scott Olson/Getty Images)

Republican Presidential Candidate Donald Trump visits his Scottish golf course Turnberry with his children Ivanka Trump and Eric Trump on July 30, 2015 in Ayr, Scotland. Donald Trump answered questions from the media at a press conference.

(Photo by Jeff J Mitchell/Getty Images)

U.S. President-elect Donald Trump speaks at his election night rally in Manhattan, New York, U.S., November 9, 2016.

(REUTERS/Carlo Allegri)

Singer Kanye West and President-elect Donald Trump speak with the press after their meetings at Trump Tower December 13, 2016 in New York.

(TIMOTHY A. CLARY/AFP/Getty Images)

Republican U.S. presidential candidate Donald Trump poses for a photo after an interview with Reuters in his office in Trump Tower, in the Manhattan borough of New York City, U.S., May 17, 2016.

(REUTERS/Lucas Jackson)

 Coverage of the 2016 Republican National Convention from the Quicken Loans Arena in Cleveland, Ohio, which airs on all ABC News programs and platforms. On this final night of the convention, Donald Trump accepts the party's nomination for President of the United States.

(Photo by Ida Mae Astute/ABC via Getty Images) 

U.S. Republican presidential candidate Donald Trump reacts to an answer his wife Melania gives during an interview on NBC's "Today" show in New York, April 21, 2016.

(REUTERS/Brendan McDermid/File Photo)

President-elect Donald Trump speaks to reporters following his meeting with Jack Ma, Chairman of Alibaba Group, meeting at Trump Tower, January 9, 2017 in New York City. President-elect Donald Trump and his transition team are in the process of filling cabinet and other high level positions for the new administration.

(Photo by Drew Angerer/Getty Images)

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When Trump publicized South Carolina Sen. Lindsey Graham's personal phone number in July, Powell reacted saying, "Trump has no sense of shame."

The retired four-star general said he was strategic about publicly criticizing the brash billionaire in order no to entice him.

"To go on and call him an idiot just emboldens him," Powell wrote.

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