The Oregon State Police and the Union County Sheriff's Office are searching for the man they believe may be responsible for a disembodied hand found in an Elgin pond

On Friday, a multi-agency homicide investigation collected enough evidence to charge Gregory Alvin Cook (a.k.a. Mitts), 42, from La Grande, with the homicide for the death of Shannon Marie Sloane, 51, of Elgin.

Cook is not in custody and investigators are asking the public for help in locating him. He was last seen on foot during the early morning Friday in Hermiston near the Wal Mart parking lot.

Cook is 6 feet, 1 inch tall, weighs about 160 lbs., and has brown hair and brown eyes. He may have a moustache. He was last seen wearing white painter pants, slippers, a dark green, long-sleeve shirt and white undershirt. Cook is a self-employed house painter but is not believed to be working at this time.

Anyone with any specific information regarding Cook's location should call the Union County Sheriff's Office at 541-963-1017.

The Union County Major Crimes Team is comprised of detectives from the Union County Sheriff's Office, La Grande Police Department, Elgin Police Department, Oregon State Police and Union County District Attorneys' Office.

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