The Walnut Creek Police Department just reported:
On 12/12/11, at approximately 1920 hours, the Contra Costa Sheriff’s Department responded to an apparent homicide in the 2300 block of San Miguel Drive in unincorporated Walnut Creek. Shannon Alexander was arrested at that time and booked in to county jail on suspicion of homicide. Alexander was released two days later and has not been charged with a crime.
As the investigation developed, the Sheriff’s Department learned that the crime likely occurred in the 0-100 block of Oak Knoll Loop in the city limits of Walnut Creek. Since then, the investigation has been jointly shared between the Walnut Creek Police Department and the Contra Costa County Sheriff’s Department.
On Wednesday, 12/14/11, a search warrant was conducted on Oak Knoll Loop in Walnut Creek, where Frank Castro was located and arrested in connection with the homicide. The following day (Thursday, 12/15/11) 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. Miller is currently being held at the Martinez Detention Facility on homicide charges. No further information is being released at this time as the investigation is on-going and additional information is still being developed. Press inquiries can be directed to Sgt. Jay Hill on Monday, 12/19.
Anyone with further information is encouraged to contact the Walnut Creek Police Department at
(925) 943-5844.