A member of Justice Forever, Insect Man claims to be a policeman but uses a costumed secret identity to do things that being a policeman doesn't allow him to do. In legal terms he would be considered a corrupt cop but his intentions appear to be noble. However, he wouldn't be the first superhero to lie about his origins, so anything he says is questionable. [Kick-Ass Wiki]
In related news, Morris Chestnut will appear in the sequel. He takes the role of the guardian for the character played by Chloe Moretz.