After retiring from the fight game as one of the most well known attractions in mixed martial arts, Ken Shamrock has found a new occupation that could require him to make use of his head bustin' skills, working security for 50 Cent. Sham was recently part of the security detail that flanked 50 Cent during the rap star's time at the International Consumer Electronics Show in Las Vegas. The now 49-year-old UFC Hall of Famer currently works for a security company that provides their services to high-profile clients. The former pain bringer later confirmed the gig with Fif taking to Twitter to praise Curtis' professionalism. "It's been a pleasure working with you and your team, you are by far one of the classiest gents I have ever worked with. God bless," he tweeted at 50.