Monday Crime Stories: 29-year-old Colorado mom Kelsey Berreth grabs purse, drops tot-daughter and VANISHES. FBI brings in a backhoe

Investigators made a public appeal for the fiance’ of missing Colorado mother Kelsey Berreth to sit down for a police interview, although they are not calling Patrick Frazee a suspect. The FBI helped Woodland Park, Colorado, police scour Frazee’s 35-area ranch for any clues in the 29-year-old’s disappearance.

Nancy Grace explores the evidence with Atlanta juvenile judge & lawyer Ashley Willcott, Vincent Hill — private investigator, author of “Playbook to a Murder,” New York psychologist Caryn Stark, 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’.

No sign of missing Colorado mom as police end search of fiance’s property

“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.

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[Feature Photo: Kelsey Berreth/Handout]