Family photo via Unified Police Department of Greater Salt Lake
Blake Richardson, 24, had been missing since Dec. 10, the Unified Police Department said Wednesday on Twitter.

MILLCREEK — Remains found by hikers in Millcreek Canyon last week have been identified as those of a man who walked away from a Salt Lake mental health hospital in December.

Blake Richardson, 24, had been missing since Dec. 10, the Unified Police Department said Wednesday on Twitter.

On Thursday, the hikers were near Dog Lake, between Millcreek and Big Cottonwood canyons, when they came across the skeletal remains, the UPD reported.

Their dog ran off the trail into some brush and didn't come back right away, so they followed it and found the bones, Unified Police Lt. Brian Lohrke has said.

The hikers called police, who waited until daylight on Friday to trek to the scene.

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Last December, Unified police, with assistance from a Utah Department of Public Safety helicopter, searched for Richardson, who was last seen in the Dog Lake area by hikers asking for food. Richardson had a history of mental illness and walked away from the Salt Lake Behavioral Health Center with his dog.

Richardson's dog was found in Millcreek Canyon on Dec. 16.

About a mile and a half up Big Water Trail, Lohrke said crews found "a good portion" of remains, including a skull, that had mostly decomposed. They were brought to the Utah State Medical Examiner's Office for analysis.

Some clothes were also found, but there was no identification.