(CNN) A Colorado judge Monday sentenced Patrick Frazee to life in prison without the possibility of parole for killing Kelsey Berreth, his fiancée who went last missing last Thanksgiving.

District Court Judge Scott Sells gave Frazee an additional 156 years on several of the eight charges he was convicted of.

"Your actions were vicious and senseless. ... Kelsey spent her last night caring for you. You repay her by viciously beating her to death. Then you burned her body," Sells said.

"Your crimes deserve the absolute maximum punishment," Sells said.

A Teller County jury deliberated for 3 1/2 hours Monday before convicting Frazee, 33, of all charges including first-degree murder, solicitation to commit murder and one count of tampering with a body.

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