Murdaugh denied killing his wife and son but did say that he lied to investigators about his whereabouts on the night of their deaths. WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #AlexMurdaugh #Testify #Doublemurder #ABCNLUpdate