(KRON) -- A suspected killer remains at-large after he was mistakenly released from jail in California, the Contra Costa County Sheriff's Office said. The man's whereabouts are unknown.

Deputies mistakenly released inmate Isaiah Jamon Andrews, 20, of Kent, Washington, from Martinez Detention Facility on Oct. 22.

"After Sheriff’s Office staff realized Andrews had been released, we launched a search of the immediate area and confirmed that Andrews was no longer in the area," the sheriff's office wrote.

The search for Andrews is ongoing by U.S. Marshals.

Andrews is the prime suspect in an Oct. 15 homicide in Seattle, where a 20-year-old man was shot to death at a hotel in the city's Northgate neighborhood, according to Seattle Police Department Detective Brian Pritchard.

Three days after

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