. >> reporter: one officer versus five attcekers. the ofshouts "stand back" as he backs away and he kicks one of them as he backs away and the officer says he doesn't want to hurt them. this video has been viewed onli more than a million times. police say it all started when a woman flagged down this officer in lower manhattan saying the me sexually harassed her. officer ali confronted them alone. s polic the men were all homeless and were intoxicated. as the officer backs away, one man lunges and falls to train tracks. the officers radioed to shut down the tracks. now he's also being praised as a hero, not only for what he did butidor what he't do, use his gun. >> the police officer said toe he didn't draw his firearm because he felt it with eoralate. >> rer: the man tweeted, hat extraordinary professionalism and bravery." but now there's acall for answers of what happened to these five men. all were charged for sleeping in the subway. >> those individuals should not have been let go and especially they should have been mental healt