Key witness says Colorado man fatally beat fiancee with bat

  • Patrick Frazee is escorted to an awaiting SUV after a hearing at the Teller County Courthouse in Cripple Creek, Colo., on Tuesday, Feb. 19, 2019. Following the daylong hearing, Teller County Judge Scott Sells found there is enough evidence for Frazee to stand trial for murder and other charges. He was arrested in Dec. 2018, about a month after Kelsey Berreth, 29, was last seen alive on Thanksgiving Day. Frazee and the victim, Berreth, have an infant daughter together. (Jerilee Bennett/The Gazette via AP)

  • In this Dec. 21, 2018, file photo, Woodland Park Police Chief Miles De Young speaks about the arrest of Patrick Frazee in the murder of his fiance Kelsey Berreth, seen right, who has been missing since Thanksgiving, at the Woodland Park, Colo., City Hall. Additional charges have been filed against Frazee, charged with murder and solicitation to commit murder in the death of his missing fiancee, prosecutors said Tuesday, Feb. 19, 2019. (Christian Murdock/The Gazette via AP, File)

DENVER — A man beat his fiancee to death with a baseball bat, convinced a woman he was having an affair with to clean up the bloody crime scene and then burned the victim’s remains while she watched, investigators said Tuesday.