process, and as such, the department cannot provide comment on pending litigation. >> i believe carl cavalier is a hero. >> reporter: ron hailey is the attorney for ronald greene's family and is also one of cavalier's co-counsels. >> he is doing this because he feels like this is the right thing, that he feels that the oath that he swore when he became a louisiana state trooper, that he is still upholding that oath by putting the public before himself, by putting the public even before his department in the name of making that department better. >> reporter: the troopers involved in ronald greene's arrest have been disciplined, but so far none of them have been charged. trooper cavalier says he hopes his coming forward leads to a federal consent decree on the louisiana state police. to ronald greene's mother, he says on behalf of the state police, he's extremely sorry for what happened to her son and hopes that his comments lead to the long-awaited justice he says that the family deserves. don. >> all right. nick, thank you very much. i appreciate that. i want to bring in now captain ron john