Nice guy. Shock. It is shock. It is i dont know neighbor. Searching for a motive what led a new jersey man to fire fatal shots inside a Federal Building in soho it is our top story good evening everyone im antwan lewis. Im Christina Park investigators trying figure out what caused kevindowning to enter lobby of a Federal Building in fatally shoot a Security Guard before turning the gun only himself. Neighbors of downy and even a new jersey congressman are giving us a glimpse into life of the shooter. Lidia curanaj is live with the latest on this investigation. Reporter good evening antwan. All is quiet here now at downing home behind me. But earlier searched it from top to bottom and trying to figure out exactly what made him snap. Why did 68yearold Kevin Downing walk into this Lower Manhattan Federal Building yesterday and kill Security Guard and then turn the gun on himself . Downing fort lee new jersey neighbors are baffled and say they knew him as a kind man wife passed away from k