57 percent support ban on rapid-fire semi-automatic weapons
READ MOREMichael Phelps leads US team into stadium
READ MOREIn this July 29, 2016 file photo, Chicago police investigate a police- involved fatal shooting in Chicago's South Shore neighborhood. Police say they shot and killed an 18-year-old man who was in a stolen Jaguar that sideswiped a squad car. The public is set to get its first look at videos related to the shooting Friday, Aug. 5, 2016. The release marks the first time the city will make public such material in a fatal police shooting under a new policy that calls for it to do so within 60 days. (Jose M. Osorio/Chicago Tribune via AP File)
VIDEO:Paul O'Neal, 18-year-old suspected car thief, was shot in back while fleeing
READ MOREKane County State's Attorney Joseph McMahon is sworn in by Judge Vincent Gaughan as the independent attorney to prosecute Chicago police Officer Jason Van Dyke during a hearing Thursday, Aug. 4, 2016 at the Leighton Criminal Courts Building in Chicago. Van Dyke was charged with first-degree murder last year in the 2014 killing of Laquan McDonald just hours before authorities released the police dashcam video showing him repeatedly shooting the teenager. (Nancy Stone/Chicago Tribune, Pool)
A judge appointed a special prosecutor to handle the murder case against the white Chicago police officer who shot Laquan McDonald 16 times
READ MOREPeace Keepers also partnering with NOBLE in an effort to strengthen relationships
READ MOREThis undated file photo shows Alabama inmate Thomas Edwin Blanton Jr., a one-time Ku Klux Klansman convicted in the 1963 church bombing that killed four black girls in Birmingham, Ala. (Alabama Department of Corrections via AP)
Alabama's parole board decided against freeing Thomas Edwin Blanton Jr. who bombing a church, killing four black girls
READ MORERepublican presidential candidate Donald Trump holds a Purple Heart medal given to him by a supporter during a campaign rally at Briar Woods High School, Tuesday, Aug. 2, 2016, in Ashburn, Va. (AP Photo/Evan Vucci)
President Barack Obama castigated Donald Trump as "unfit" and "woefully unprepared" to serve in the White House
READ MOREPope Francis calls on Poland to open up to migrants
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