Killer dad Chris Watts has sex with pregnant wife Shanann before straddling & murdering her

Summary: Colorado killer dad Chris Watts tells a chilling story to investigators about why and how he murdered his pregnant wife and two young daughters last August. Nancy Grace listens to the just released audio recording of the prison interview with Watts by the FBI and Colorado Bureau of Investigation. Nancy's panel includes forensics expert Joseph Scott Morgan -- author of "Blood Beneath My Feet," Southern California prosecutor Wendy Patrick, psychologist & lawyer Dr. Brian Russell -- host of Investigation Discovery's "Fatal Vows" series, and CrimeOnline reporter Ellen Killoran. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.