Jury convicts Patrick Frazee in murder of his longtime fiancee

Frazee’s former mistress testified against him in the murder trial of Kelsey Berreth who was last seen on Thanksgiving.
1:46 | 11/19/19

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

Comments
Related Extras
Related Videos
Video Transcript
Transcript for Jury convicts Patrick Frazee in murder of his longtime fiancee
we came on the air, a verdict in a case that has made national headlines. In Colorado, a jury finding Patrick Frazee guilty on all counts in the death of his fiance, that young mom, Kelsey Berreth. He was accused of bludgeoning Berreth to death. She was last seen with their daughter at a supermarket on Thanksgiving day a year ago. Her body was never found. The jury taking just three hours to determine guilty on all counts. ABC's Clayton Sandell on this breaking story, he's at the courthouse tonight. Reporter: Tonight, Patrick Frazee is a convicted murderer. The jury taking just three and a half hours to determine he killed his fiance. It was a sweet day in the sense that justice was brought for this brutal, gruesome, senseless murder. Reporter: Berreth was last seen shopping with the couple's daughter last Thanksgiving. Patrick, why don't you talk to us? In a trial that lasted just over two weeks, Frazee's former mistress, Krystal Lee, testified Frazee wanted Berreth out of his life. Admitting he went to her condo, tricked her into putting on a blindfold, beat her to death with a baseball bat, then burning her body. Lee admitted she cleaned up the bloody crime scene and destroyed Berreth's phone, cutting a deal to become the prosecution's star witness. I learned that Patrick Frazee had committed a homicide. Reporter: The prosecution's final witness, one of fra sooi's fellow inmates in county jail, who claims Frazee asked for his help to kill all of the witnesses who were set to testify against him. Clayton Sandell live tonight outside the courthouse. And Clayton, not only did the jury come back fast, but Frazee was also just sentenced? Reporter: Yeah, David. It happened fast. Just moments ago, Frazee was sentenced to the maximum, life in prison, no parole and an additional 156 years. David? Clayton, thank you.

This transcript has been automatically generated and may not be 100% accurate.

{"duration":"1:46","description":"Frazee’s former mistress testified against him in the murder trial of Kelsey Berreth who was last seen on Thanksgiving. ","mediaType":"default","section":"ABCNews/WNT","id":"67116689","title":"Jury convicts Patrick Frazee in murder of his longtime fiancee","url":"/WNT/video/jury-convicts-patrick-frazee-murder-longtime-fiancee-67116689"}