states and includes nine misdemeanor arrests in new york between 1992 and 1998 for possession of burglary tools and a criminal sex act. police say he searched the gun used in the attack from an ohio pawnshop in 2011 but the serial number had been scratched out when recovered from the scene. investigators described james as a lone wolf who posted hours of racist, violent rants on youtube, including ones against the mayor. well, during their investigation, which is ongoing, authorities say they searched a stoornlg unit in philadelphia, which is regi register to james, finding a silencer and ammunition for an ar-15 and .9 millimeter weapon. he faces charges including terrorism against a mass transit system and if convicted he could face up to life in prison, norah. o donnell: mola lenghi with all the details. thank you. let s turn now to the question of safety and how do you protect