"One of the first open world action games to be released after Grand Theft Auto III, True Crime: Streets of LA focuses on the other side of the law in the genre of the police procedural. The player controls police officer Nick Kang, and is given a good cop/bad cop rating based on the morality of the player's actions. These actions affect the storyline, leading to one of three different endings.
True Crime's gameplay has been called "the GTA III clone where you play a cop," because the general mechanics are basically the same: the player wreaks havoc across the city and progresses through the story at their own leisure. However, since the player is on the other side of the law, there are several differences between Grand Theft Auto and True Crime."
Source: Wikipedia, "http://en.wikipedia.org/wiki/True_Crime:_Streets_of_LA," available under the [ http://creativecommons.org/licenses/by-sa/3.0/ CC-BY-SA License].