b'The police interrogation recordings of the Colorado dad who murdered his pregnant wife and two young daughters -- while courting a mistress -- are now public, along with the detectives interview of the girlfriend. Nancy Grace takes a long look at the lies of Chris Watts in this extended Crime Stories episode. She is join by\\xa0deception & body language expert\\xa0Susan Constantine, private investigator\\xa0Vincent Hill -- author of "Playbook to a Murder,"\\xa0Atlanta juvenile judge & lawyer\\xa0Ashley Willcott, and CrimeOnline.com reporter Ellen Killoran.'