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.

How do you protect your children from predators? Join Nancy Grace and a team of world class experts for the online course ‘Justice Nation: Crime Stops Here’.

Confessed killer Chris Watts says his dad developed cocaine addiction after he left home: Report

“Crime Stories with Nancy Grace” is also a national radio show heard on SiriusXM channel 111 airing for two hours daily starting at 12 p.m. ET and around the country on local radio stations. You can also subscribe and download the daily podcasts at Apple Podcasts and Google Play.

Join Nancy Grace for her new online video series designed to help you protect what you love most – your children.

[Feature Photo: Chris Watts/CBI]