NCIS: Naval Criminal Investigative Service Episode 21.09 Prime Cut

When body that's been chopped up is found the team investigates cause it's believed the body belongs to a Marine. When they verify the identity of the victim they discover the Marine was reported as having been killed when the chopper he flew along with three bother Marines went down two years ago. His body was not recovered. His C.O. Says the man was battling demons with alcohol which could account for the crash. They learn he was living under a different name in Texas. So Knight and Torres are sent to investigate. They learn he worked at a cattle ranch owned by a powerful and ego maniacal man. They learn he went to support group and revealed he discovered something and was trying to fix it, which is why he was killed.