A Danville police officer and Alamo resident who was has resigned, according to a statement issued by the Contra Costa County Office of the Sheriff.
Contra Costa County Sheriff's deputy Stephen Tanabe, 47, was arrested March 4 following an investigation by the California Department of Justice, the county sheriff's office and the Contra Costa District Attorney’s Office. He was booked at the Martinez Detention Facility and posted bail the next day.
Tanabe was arrested on charges including possession and transfer of an assault rifle and conspiracy to possess and sell controlled substances.
He also has been linked to an operation with a Concord-based private investigator to conduct so-called "dirty DUI" stops on clients' husbands to damage their reputations, .
Tanabe was arrested as a result of the (CNET). San Ramon Police Chief Scott Holder is head of CNET.
Tanabe was with the sheriff's office for about four years. He was assigned to the patrol division. Danville contracts with the sheriff's department for police services.
"Although Tanabe has resigned, an administrative investigation is continuing," said Contra Costa County Sheriff David Livingston. "In addition, a multi-agency criminal investigation is still underway."
"Until these investigations are completed, we are unable to discuss this matter further," he added.