A playground is seen in London, outside an address where Kuwaiti-born London computer programmer Mohammed Emwazi is believed to have lived. Emwazi has been identified as masked ISIS militant "Jihadi John." Niklas Halle'n/AFP/Getty Images hide caption

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Relatives of victims of the Sept. 11 attacks are periodically flown down to Guantanamo Bay, Cuba, to witness court proceedings against five men accused of plotting the attacks. For the witnesses of the most recent court session, the experience raised questions about justice, humanity and the ethics of the death penalty. Joe Raedle/Getty Images hide caption

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The legal case of the alleged Sept. 11 terrorists is slowly grinding its way through a war court at the U.S. naval base in Guantanamo Bay, Cuba. Joe Raedle/Getty Images hide caption

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Deputy Chief Mark Saunders speaks at a news conference in Toronto on Tuesday. A mysterious tunnel discovered in Toronto near one of the venues for this summer's Pan American Games contained a rosary with a crucifix and poppy. Police said there is nothing to suggest the tunnel was linked to criminal activity. Aaron Harris/Reuters/Landov hide caption

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House Speaker John Boehner told reporters Wednesday: "The House has done its job to fund the Department of Homeland Security and to stop the president's overreach on immigration. We're waiting for the Senate to do their job." Susan Walsh/AP hide caption

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Defense attorneys for terrorism suspects at Guantanamo Bay, Cuba, are now allowed to introduce details regarding their clients' interrogations after the so-called "torture report" was released by the Senate Intelligence Committee late last year. Joe Raedle/Getty Images hide caption

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If Congress doesn't act to fund the Department of Homeland Security by Friday, then over 200,000 TSA employees won't be receiving paychecks — but many of them will still have to show up to work. Saul Loeb/AFP/Getty Images hide caption

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U.S. Defense Secretary Ash Carter (center left) is greeted with a military honor guard as he arrives to meet Afghan President Ashraf Ghani at the Presidential Palace in Kabul, Afghanistan, on Saturday. Jonathan Ernst/AP hide caption

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