Police fire tear gas from an armored personnel carrier on Aug. 18 in Ferguson, Mo. The U.S. Senate is holding a hearing on the use of military-grade equipment by local police departments.
Page County, Va., Sheriff John Thomas received an MRAP for his department in May. "Is it overkill? Yeah, it is. I mean, for our use, it's more armor than we need. But it's free," he says.
Members of the House of Representatives leave after a procedural vote on Capitol Hill in Washington on Friday, as Republicans reshaped legislation to deal with the border crisis, a day after Congress was supposed to go into its August recess.
J. Scott Applewhite/AP
Immigrants run to jump on a train in Ixtepec, Mexico, during their journey toward the U.S.-Mexico border. President Obama wants nearly $4 billion in emergency funds to deal with the tens of thousands of children from Central America who've been crossing the border.
Director of National Intelligence James Clapper (center), accompanied by FBI Director Robert Mueller (left) and CIA Director John Brennan, testifies on Capitol Hill on March 12, 2013. When questioned, Clapper said the NSA did not collect data on Americans. He later acknowledged his response was "clearly erroneous."