The family of missing Iowa college student Mollie Tibbetts is offering a $30,000 reward for information that leads police to the 20-year-old woman. Nancy Grace updates the investigation with Theresa Payton, the CEO of the security consulting company Fortalice Solutions.

She is also joined by lawyer and psychologist Dr. Brian Russell — host of Investigation Discovery’s “Fatal Vows” series, private investigator Vincent Hill, forensics expert Karen Smith, Atlanta juvenile judge & lawyer Ashley Willcott, and CrimeOnline.com reporter Leigh Egan.

Also read: Mollie Tibbetts Update: Police confirm woman spotted at truck stop was not missing college student

Mollie Tibbetts Update: Police confirm woman spotted at truck stop was not missing college student

Crime Stories’ Alan Duke shares what he’s learned about Los Angeles police shooting to death a homeless woman who was being held hostage by a man at a church. The LAPD released body cam video of the tragic incident that sheds light on the tough decision cops had to make as the man began slicing his hostage’s throat.

Also see: EXCLUSIVE VIDEO: Hostage taken at knife point reportedly killed by police gunfire

EXCLUSIVE VIDEO: Hostage taken at knifepoint reportedly killed by police gunfire

“Crime Stories with Nancy Grace” is also a national radio show heard on SiriusXM channel 111. You can also subscribe and download the daily podcasts at iTunes and Google Play.

[Feature Photo: Mollie Tibbetts/Handout]