MISSION, B.C. - An arrest warrant has been issued for a convicted killer who went missing from the minimum security unit of the Mission Institution in British Columbia.

The Correctional Service of Canada says prison staff discovered Friday afternoon that Robert Raymond Dezwann, 53 wasn't accounted for and immediately contacted the RCMP.

Dezwann, of Kelowna, B.C., was serving a life sentence with no chance of parole for 15 years after being convicted of second degree murder in 2003.

He was found guilty of strangling 16-year-old Cherish Oppenheim in Merrit, B.C. in 2001, and leaving her body in a wooded area.

Dezwann is described as white, six-foot-one, 186 pounds, with green eyes and a bald head.

Anyone with information regarding his whereabouts is asked to call their local police.