U.S. Defense Secretary Ashton Carter has decided not to impose further punishment on David Petraeus, a former U.S. military commander and CIA director who admitted sharing classified information with his mistress, according to a letter seen by Reuters.
The short letter was sent by Stephen Hedger, the assistant secretary of defense for legislative affairs, and the decision is in line with an Army review.
Petraeus resigned as head of the CIA in 2012 after it was revealed that he was having an affair with his biographer, Army Reserve officer Paula Broadwell. When he pleaded guilty to mishandling classified information, a court document signed by Petraeus and prosecutors said that in 2011, Petraeus illegally gave Broadwell access to official binders.
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General David Petraeus - CIA
Ex-general, CIA chief David Petraeus to receive no further punishment
Paula Broadwell, center, participates in the Lake Norman YMCA Triathlon, August 24, 2013, at Lake Norman. Broadwell's affair with then Gen. David Petraeus brought her a wave of public attention. Since the revelation and investigation whether she was privy to classified national secrets Broadwell has shunned publicity. She is beginning a slow reentry onto the public scene in Charlotte. (John D. Simmons/Charlotte Observer/MCT via Getty Images)
David Petraeus (L) and Team Rubicon Vice President Will McNulty speak onstage during a fireside chat at the Team Rubicon Salute To Service Awards at Skirball Cultural Center on November 7, 2014 in Los Angeles, California. (Photo by Imeh Akpanudosen/Getty Images)
In this November 4, 2012 photograph, Paula, left, and Scott Broadwell are seen at the Patriot Gala, the annual black tie event at Quail Hollow Club in Charlotte, North Carolina. (Daniel Coston/Charlotte Observer/MCT via Getty Images)
Former CIA director David Petraeus gives a speech at the Institute for National Security Studies during the 7th Annual International Conference at the Tel Aviv Museum of Art on January 28, 2014, in the Mediterranean coastal city of Tel-Aviv. The event runs until January 29. (Photo credit Jack Guez, AFP/Getty Images)
Former CIA director and retired four-star general David Petraeus receives a plaque of appreciation after making his first public speech since resigning as CIA director at University of Southern California dinner for students Veterans and ROTC students on March 26, 2013 in Los Angeles, California. Petraeus apologized in his speech for his actions that lead to him resigning from the CIA. (Photo by Kevork Djansezian/Getty Images)
Former CIA director David Petraeus addresses a University of Southern California event honoring the military on March 26, 2013 in Los Angeles, California. In the first public appearance since stepping down last November as head of the CIA after admitting to an affair, Petraeus said he regretted and apologized for the circumstances that led to his resignation. (Photo credit Frederic J. Brown, AFP/Getty Images)
Holly Petraeus, wife of Army General David Petraeus, left, speaks while Elizabeth Warren, the White House adviser assigned to set up a U.S. consumer financial-protection bureau, listens during a press conference in Washington, D.C., U.S., on Thursday, Jan. 6, 2011. Petraeus was named to establish an office within the new Consumer Financial Protection Bureau dedicated to military personnel and their families. (Photo credit Jay Mallin/Bloomberg via Getty Images)
In this January 14, 2012 photo, Paula Broadwell, author of the David Petraeus biography 'All In' poses for photos in Charlotte, North Carolina. Petraeus, the retired four-star general renowned for taking charge of the military campaigns in Iraq and then Afghanistan, abruptly resigned November 9, 2012 as director of the CIA, admitting to an extramarital affair. Petraeus carried on the affair with Broadwell, according to several U.S. officials with knowledge of the situation. (T. Ortega Gaines/Charlotte Observer/MCT via Getty Images)
Natalie Khawam listens as her attornedy Gloria Allred (not seen) conducts a press conference on November 20, 2012, at the Ritz-Carlton hotel in Washington. Khawam is the twin sister of Tampa, Florida, socialite Jill Kelley and wanted to correct misconceptions about her and her relationship with General David Petraeus and his wife Holly. (Photo credit Paul J. Richards, AFP/Getty Images)
Paula Broadwell leaves her home on Monday, November 19, 2012 in Charlotte, North Carolina. (Photo by James Keivom/NY Daily News via Getty Images)
Paula Broadwell prepares to drop off her two children at school on Monday, November 19, 2012 in Charlotte, North Carolina. (Photo by James Keivom/NY Daily News via Getty Images)
In this January 14, 2012 photo, Paula Broadwell, author of the David Petraeus biography 'All In,' poses for photos in Charlotte, North Carolina. Petraeus, the retired four-star general renowned for taking charge of the military campaigns in Iraq and then Afghanistan, abruptly resigned November 9, 2012 as director of the CIA, admitting to an extramarital affair. Petraeus carried on the affair with Broadwell, according to several U.S. officials with knowledge of the situation. (T. Ortega Gaines/Charlotte Observer/MCT via Getty Images)
Paula Broadwell, left, talks with 'Daily Show' host Jon Stewart, September 3, 2012, in Charlotte, North Carolina, at an afternoon barbeque in Myers Park, a fundraiser for veterans and wounded warriors held at the home of Shannon Lalor and Sami Aasar. (Pam Kelley/Charlotte Observer/MCT via Getty Images)
A September 6, 2011 photo shows General David Petraeus (R) kissing his wife Holly after taking the oath of office as director of the Central Intelligence Agency (CIA) during a ceremony in the Roosevelt Room at the White House in Washington. Petraeus resigned as CIA director on November 9, 2012 after admitting to an extramarital affair with Paula Broadwell. (Photo credit Mandel Ngan, AFP/Getty Images)
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In April, the retired four-star general was sentenced to two years of probation and fined $100,000 but was spared prison time after pleading guilty to mishandling classified information.
The Pentagon could have sought to further reprimand Petraeus under military law.
Hedger's letter was addressed to Senate Armed Service Committee Chairman Senator John McCain and Senator Jack Reed, who had recently asked Carter not to take further action.
The Pentagon declined to comment on the letter.
Petraeus, a counter-insurgency expert with a Princeton University doctorate, served as the top U.S. commander in the wars in Iraq and Afghanistan and was once considered a possible vice presidential or presidential candidate.
Known as "black books," the binders that Petraeus shared with Broadwell contained classified information including identities of covert officers, code word information, war strategy, intelligence capabilities, diplomatic talks and information from high-level White House National Security Council meetings, according to court records.
Petraeus now serves as chairman of the private equity firm Kohlberg Kravis Roberts' captive economic and geopolitical think tank, the KKR Global Institute, according to its website.