A 22-year-old Concord man turned himself in to Walnut Creek police Thursday and has been charged with homicide in a Monday incident whose particulars remain unexplained.
Held at the Martinez Detention Facility is Michael Miller, 22, of Concord, according to a Walnut Creek Police Department news release.
Police said the killing of Jeffrey Patterson, 48, of Hayward, appears to have taken place in the 0-100 block of Oak Knoll Loop, Walnut Creek — not a mile away on San Miguel Drive in unincorporated Walnut Creek, as was the original theory.
. "Alexander was released two days later and has not been charged with a crime," stated the WCPD news release.
Unexplained in the latest version is how the homicide took place on Oak Knoll Loop but the body was found, with evidence of blunt trauma, in front of a house in the 2300 block of San Miguel Drive.
The investigation is now shared by the Walnut Creek police and the sheriff's office.
On Wednesday, a search warrant was executed on Oak Knoll Loop, "where Frank Castro was located and arrested in connection with the homicide," stated the WCPD news release. "The following day an additional suspect, Michael Miller, turned himself in to the Walnut Creek police department where he was arrested."
Castro has been released from custody "as no charges have been filed against him at this time," police said. "Additional information is still being developed."
The victim, Jeffrey Patterson Sr., of Hayward was the father of three children with his wife Valerie, according to an obituary in the Daily Republic in Fairfield. A native of Germany, he was a substitute teacher and a fan of the Grateful Dead. He coached Little League baseball and girls softball for 18 years.
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