Gun Control Advocates Announce Lawsuit Against Gun Dealer In Connection With Shooting Death Of Chicago Police Officer

CHICAGO, IL - APRIL 24: With a picture of his son behind him, retired Chicago police officer Thomas Wortham III fights back tears while speaking at a press conference where it was announced that a lawsuit has been filed by the Brady Center to Prevent Gun Violence on behalf of the Wortham family against Ed's Pawn Shop and Salvage Yard in Byhalia, Mississippi on April 24, 2013 in Chicago, Illinois. The suit claims that Wortham's son, Chicago Police officer and Iraq War veteran Thomas Wortham IV, was killed by a gun wrongfully sold to a straw purchaser at the pawn shop. Wortham IV was killed outside his parents’ home on May 19, 2010 when 4 reported gang members tried to rob him of his motorcycle. (Photo by Scott Olson/Getty Images)