slope, new york city. between 9:15 a.m. and this afternoon, we don t know where he was. he could have been riding the subway system that entire time. we re getting more information about how investigators pieced this together including fact that frank james drove that u-haul van that he wented in philadelphia on the morning of the attack yesterday from pennsylvania through new jersey to new york on the verizano bridge. four hours later, he s seen walking into a subway station where he parked the u-haul van and the attack ensued. they found a receipt for a storage unit in that vest that he had thrown away at the train station. they were able to find that storage unit in philadelphia. inside they found ammo as well as other weapons. they were also able to trace