An elite FBI agent shoots his wife after he says she came after him with a knife -- was it self-defense or murder? "48 Hours" correspondent Susan Spencer 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