"The suspect then intervened, deployed pepper spray and sprayed the victim, before fleeing the scene on foot," according to the police.Earlier this month, a woman in Arlington, Virginia, saw a man taking pictures of kids and suspected the worst: a creep on the prowl with his camera. Disgusting. She quickly alerted a security guard and, according to a subsequent police report, told him she believed the man was photographing children he didn't know, for presumably nefarious purposes. The security guard went to investigate and made contact with the man. As it turns out, the guy was taking pictures of his...