RCMP Insp. Gerry Scott gave more details of the killing while speaking to reporters at a news conference Friday morning.
The body was discovered in a ditch near Ranfurly, Alta., last Saturday.
Police are not releasing the name of the victim or how he was killed. However, CBC News has confirmed through sources that he is a Lloydminster man named Bob Roth.
Edmonton police discovered the head in a garbage bag in a back alley near 132nd Avenue and 72nd Street in the Balwin neighbourhood Wednesday.
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