Convicted killer . Yes, the short answer. But Law Enforcement officials in pennsylvania are intensifying the search for the escaped prisoner. Authorities say there have been four credible sightings of cavalcante within a twomile perimeter. They believe they are closing in. We will continue to push him hard. I intend to stress him, i want to push him hard, hell make mistakes, hell show himself. Hes already shown himself we believe a few times. Well contain him and catch him. He has very little to lose at this point. The massive manhunt has the Chester County community on edge. Pennsylvania state police asking people returning from a Holiday Weekend to see if anything is out of place. If so, call authorities. The five foot tall, 120 pound man can be seen in the grainy Security Video before 2 00 a. M. Saturday. White tshirt, white sneakers and carrying a backpack. And authorities are getting some help from his mother, broadcasting her voice with pleas to turn himself in. As desperate as h