A Marine colonel is found shot in his bunk. Authorities say it was a suicide, his wife says it was murder -- and she is determined to prove it. "48 Hours" Peter Van Sant investigates.
Genres: Crime , Documentary , News
Keywords: angry , anxious , biting , callous , cautionary , complex , disturbed , informative , magazine-show , suspenseful , suspicious , true-crime , latest-episodes , gowatchseries-watch-tv-shows-online-free