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But before they arrived at the park they decided to rob Miller instead of selling him cocaine.

“The three entered the parking lot and they (walked) to the far end of the parking lot for another approximately 30 yards,” the exhibit said.

“There is no lighting and no one else was in the parking lot.”

After Miller, who had $140 and a cellphone on him, took off his gloves Stewart hit him with a metal wrench-like object to the head.

“Joshua Mills picked the victim up, dropped him on his neck and beat him while he was on the ground,” the agreed statement said of the offender, who was a provincial-level wrestler in high school.

Mills then dropped Miller on the ground and the offenders left.

“The defendant left Doug Miller unconscious in the snow and cold.”

The temperature that night was -22C with a windchill of -36C.

Miller’s body was found frozen in the same parking lot the following afternoon, about 17 hours later.

Medical examiner Dr. Bamidele Adeagbo said the victim died as a result of multiple blunt force injuries to his head and neck.

“There were traumatic brain and deep spinal cord injuries.”

On Jan. 31, 2018, before he was charged in the Miller death, Mills was acquitted of manslaughter in connection with the Aug. 10, 2016, death of Calgarian Christopher Tellevik.

Mills had stabbed Tellevik outside a northeast 7-Eleven store on July 24, 2016, when the deceased and another man started bullying him and tried to rob the then-homeless man.

After his acquittal Mills said: “I just feel really bad about what happened. Who goes around robbing homeless people?”

At Snukal’s request, Gates ordered a pre-sentence and psychiatric report on Mills.

He’ll face a sentencing hearing later this year.

KMartin@postmedia.com

On Twitter: @KMartinCourts

An earlier version of this story contained an image with incorrect identification. We regret the error.