The Midtown Manhattan office shooter fired 47 rounds from his M4-style rifle during the rampage, a number that indicates the suspect, Shane Tamura, reloaded his rifle at least once, the NYPD said. There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue,

The video above aired in a previous newscast. NEW YORK (PIX11) — A gunman who killed four people in a New York City office before taking his own life had over 800 rounds of live ammunition in his possession,