Kelsey Berreth's parents file wrongful death lawsuit against fiance Patrick Frazee

There's new information in the search for missing Colorado mom, Kelsey Berreth.

Her parents have filed a wrongful death lawsuit against her fiance, Patrick Frazee.

They allege that he killed their daughter because he wanted sole custody of their one-year-old daughter.

In the complaint, Berreth's parents say Frazee told them the couple broke up on Thanksgiving and that she had agreed to 50-50 custody.

Berreth hasn't been seen since Thanksgiving.

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