A protester demonstrating against the U.S. immigration policy is arrested after handcuffing himself to the fence in front of the White House on Sept. 18, 2013. (Associated Press)
A man is taken into custody by uniformed Secret Service Police on Pennsylvania Avenue outside the White House on Monday, Sept. 16, 2013, in Washington. The Secret Service arrested the man for tossing lit firecrackers over the White House fence. (AP Photo/ Evan Vucci)
President Barack Obama speaks about the shooting at the Washington Navy Yard in the South Court Auditorium on the White House complex, Monday, Sept. 16, 2013, in Washington. (AP Photo/Carolyn Kaster)