The FBI headquarters building is viewed on July 5, 2016 in Washington, DC. The FBI said Tuesday it will not recommend charges over Hillary Clinton's use of a private email server as secretary of state, but said she had been "extremely careless" in her handling of top secret data. The decision not to recommend prosecution will come as a huge relief for the presumptive Democratic nominee whose White House campaign has been dogged by the months-long probe. / AFP PHOTO / YURI GRIPASYURI GRIPAS/AFP/Getty Images

(FILES) This file photo taken on June 10, 2016 shows US Democratic presidential candidate Hillary Clinton as she addresses the Planned Parenthood Action Fund in Washington, DC. The Federal Bureau of Investigation said July 5, 2016 it will not recommend charges over Hillary Clinton's use of a private email server as secretary of state, although she was found "extremely careless" in her handling of top secret data."Although there is evidence of potential violations of the statutes regarding the handling of classified information, our judgment is that no reasonable prosecutor would bring such a case," FBI director James Comey told a news conference. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

WASHINGTON, DC - JULY 05: People with the group, "D.C. Moms and Dads for Rational Gun Safety Legislation" attend a rally and march to Capitol Hill, July 5, 2016 in Washington, DC. The rally was held to urge members of Congress to come up with meaningful national legislation to prevent gun violence. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - JULY 05: A young boy carries a anti-gun poster during a rally at the Capitol Hill, July 5, 2016 in Washington, DC. People with the group, "D.C. Moms and Dads for Rational Gun Safety Legislation" held a rally to urge members of Congress to come up with meaningful national legislation to prevent gun violence. (Photo by Mark Wilson/Getty Images)

TOPSHOT - US President Barack Obama hugs his daughter Malia on her birthday during an Independence Day Celebration for military members and administration staff on July 4, 2016 in the East Room of the White House in Washington, DC. / AFP PHOTO / Mandel NganMANDEL NGAN/AFP/Getty Images

WASHINGTON, DC - JULY 05: Avery Drobnyk, (bottom), 7, and her sister Eleanor Drobnyk, 5, make anti-gun posters before marching with their mom to Capitol Hill, July 5, 2016 in Washington, DC. The group "D.C. Moms and Dads for Rational Gun Safety Legislation" held a rally then marched the US Capitol to urge members of Congress to come up with meaningful national legislation to prevent gun violence. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - JULY 05: Avery Drobnyk, (R), 7, and her sister Eleanor Drobnyk, 5, make anti-gun posters before marching with their mom to Capitol Hill, July 5, 2016 in Washington, DC. The group "D.C. Moms and Dads for Rational Gun Safety Legislation" held a rally then marched the US Capitol to urge members of Congress to come up with meaningful national legislation to prevent gun violence. (Photo by Mark Wilson/Getty Images)

WASHINGTON, DC - JULY 05: Brother and sister, Abraham Infield-Shah, (R), 4, and Ava Infield-Shaw, 7, carry anti-gun posters they made before marching with their dad to Capitol Hill, July 5, 2016 in Washington, DC. The group "D.C. Moms and Dads for Rational Gun Safety Legislation" held a rally then marched the US Capitol to urge members of Congress to come up with meaningful national legislation to prevent gun violence. (Photo by Mark Wilson/Getty Images)