How investigators say Patrick Frazee killed Kelsey Berreth

Read the report by investigators on the Thanksgiving Day murder of a Colorado mother and how the suspected killer tried to cover his tracks

The Murder of Kelsey Berreth
The Murder of Kelsey Berreth 42:19

On November 22, 2018, Kelsey Berreth was shopping at Safeway in Woodland Park, Colorado. She texted her fiancé Patrick Frazee to let him know she bought sweet potatoes for a casserole and left the store with a handful of items. This would be the last time anyone would see Berreth alive.

Surveillance video shows Kelsey Berreth on November 22, 2018 at the Woodland Park, Colorado Safeway grocery store. Woodland Park Police

It wasn't until December 1 when her mother began to really worry. She reported Berreth missing and the nationwide search for the young mother began. On December 23, Frazee was arrested for Berreth's murder.

The arrest affidavit below gives an explanation as to why investigators think Frazee killed Berreth on Thanksgiving Day. And how a registered nurse from Idaho played a crucial part in the crime and the arrest.