as the train pulled into the station. when witnesses say a man wearing neon orange construction fest, gray hoodie and the on rain helmet dawned with a gas mask to set off smoke grenades and unleashed a hail of bullets. the police recovered 33 shells here the passengers describe a frightening scene. and the four or five faces squish behind the door behind them banging as smoke is filling up behind them and there was nothing i can do. that was the worst feeling of my entire life. i think i closed my eyes a few times. you know, investigators are asking people with any videos to come forward with any content that may help i.d. the shooter. there were no working video cameras in the subway stations. the former nypd a polling.