i'm jimmy justice. >> but the man who calls himself jimmy justice won't back down. >> they're afraid of me. >> you're not allowed to do that. and they're afraid of my video ka ra. >> what are you doing? move away from the vehicle. >> i'm filming you breaking the law. >> his goal -- to bring justice, vigilante justice, to the streets of new york, streets on which he says he sees a double standard. >> everybody else gets summonsed the second they break the law. you're in a no-standing zone. it's a bus stop. >> so what? >> you would give a ticket to somebody else that did that? >> yes. >> but the people writing those summonses drive around the city like cowboys and do whatever they want, with impunity. and i wanted to bring justice. i wanted to level the playing field. >> it all begins in 2005. a fuse is lit when jimmy justice sees a traffic agent make a u-turn over a double yellow line. in his mind, an obvious violation of the law. he starts reporting the violations he sees to law enforcement by taking still photos, but he says his complaints go nowhere. so he comes up with a plan to b