he didn't do nothing! >> reporter: what would have happened if there was no video? >> like, there wouldn't have been anything but my word against 15 police officers. >> reporter: luis' mom, evelyn, used to trust the police but has had a change of heart. >> i brought up my kids to respect police. if they had a problem, they could go to a policeman and say, listen, i'm lost, can you help me get home? the thing that bothers me the most is how can you come to someone that you can't trust? >> reporter: luis was charged with disorderly conduct, resisting arrest and obstructing a government official. all charges were dropped. police will not respond to the allegations because luis has filed a lawsuit against the city. >> that was one of the officers on the scene, too. funny enough. >> reporter: the police department's reforms were supposed to calm fears in minority communities, but intensive enforcement continues to exact a price. >> we have a new police chief who talked about doing things differently. does it feel different? >> actually, i think it's worse. every time i look on facebook, i