CHICAGO — The man suspected of killing at least six people and injuring more than 30 others Monday morning during a Fourth of July parade in Highland Park allegedly planned the attack for several weeks before he climbed a fire escape ladder and fired on the crowd from the roof of a building, authorities said at a news conference Tuesday. The suspect, Robert “Bobby” E. Crimo III, 21, dressed as a woman in order to evade detection, according to Chris Covelli, a spokesman with the Lake County Major Crime Task Force. After firing more than 70 rounds, Crimo exited the roof, dropped the rifle, slipp…
