>> weeks after billy the kid gets a start as a cattle guard is murdered before his eyes by the rival dolan murphy cartel. >> i'll get every son of a bitch who helped kill john if it's the last thing i do. >> billy wasn't the only one who was determined to avenge tunstal's murder. a former of his former employees form their own gang and call themselves the regulators. >> while billy is a regulator, deputized by a justice of the peace, he's still a kid in this fight. the rest of the regulators and all of the boys are seasoned outlaws. billy is simply a loyal follower who's willing to put his life on the line to avenge the murder of the only man who gave him a break in life. >> unable to get near dolan and