A beautiful spot thats turned ugly. With no power, no cash and no way home. Nightly news begins now. Good evening. While americans are still absorbing the blunt force of this latest mass shooting, tonight a lot of the details of what we thought we knew about the gun massacre at the washington, d. C. Navy yard have changed. The new director of the fbi briefed a group of journalists today including our justice correspondent Pete Williams and he laid out a version of event s that differs from what we were first told and first reported. Pete is with us tonight from our d. C. Newsroom to start us off. Hey, pete. Good evening. Reporter brian, good evening. The fbi director james comi says video and physical evidence show nearly half an hour passed from the time the shooting started to the time officers found aaron alexis and fired back. The fbi director says alexis began firing shortly after 8 00 a. M. In a fourth floor hallway. Comey says alexis was wandering the halls, hunting for someone