did nothing. >> you know, it's despicable, really. >> the guy that does it walks away like nothing happened. it's kind of ridiculous. >> reporter: residents of the neighborhood were just as disgusted that this happened. >> it's really bad, especially people that can't defend themselves. the guy is blind. >> reporter: this is not the first case of bystander apathy. in queens, a good samaritan homeless man was fatally stabbed coming to a woman's aid and was ignored by pedestrians walking by. and in this surveillance video, a philadelphia transit officer struggled with a fair evader as multiple witnesses watched without calling police. >> people just might not want to get engaged because they think that the perpetrator may be carrying a gun. being a good samaritan these days is riskier than it used to be. >> when you see something like that, you want to jump in but is it the right thing to do for your own safety? >> so the police are hoping that the release of the surveillance