ABC News captured video as armed police arrested Patrick Frazee on Friday.
He's now charged with first-degree murder of Kelsey Berreth.
A body has not been found, but investigators say they recovered items pointing to a crime that occurred at her house.
Berreth has been missing since Thanksgiving.
RELATED: Police: Colorado woman likely killed at home, fiance charged
Missing Colorado woman Kelsey Berreth likely killed at home, fiance charged
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