Authorities say the notorious serial killer who terrorized people in Kansas during the 1970s could be linked to two more unsolved cases in other states. ABC News’ Lionel Moise has the details. WATCH the ABC News Live Stream Here: youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: bit.ly/2vZb6yP Watch More on abcnews.go.com LIKE ABC News on FACEBOOK facebook.com/abcnews FOLLOW ABC News on TWITTER: twitter.com/abc #news #btk #crime #truecrime #serialkillerdocumentary #unsolvedmysteries #investigation #abcnews