RICHMOND (CBS SF) – A group of Richmond police officers is being investigated by their department for alleged relations with an underage girl at the center of a sexual misconduct investigation that started in Oakland and now spans several jurisdictions.

An internal investigation was launched last week at the Richmond Police Department after “several” officers were named as having alleged connections to the “young lady at the center of the Oakland police investigation,” Capt. Bisa French said.

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The investigation comes after three officers with the Oakland Police Department were placed on leave and two more officers resigned when it was alleged that officers had sexual relations with a police dispatcher’s underage daughter.

French did not specify how many Richmond police officers were under investigation or whether they were suspended.

The Contra Costa County Sheriff’s Office confirmed Tuesday that one of its deputies was placed on administrative leave as well on Monday as part of the growing scandal.

Meanwhile, Alameda County Sheriff’s Sgt. Ray Kelly said four deputies from his agency have been cleared of any wrongdoing in the case after an internal investigation.

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The alleged misconduct among law enforcement personnel was initially brought to light when the Oakland Police Department’s internal affairs division investigated the suicide of Officer Brendan O’Brien last September.

After Oakland police began investigating the allegations, the department’s police Chief Sean Whent announced his resignation last Thursday.  No connection between his exit and the investigation was made explicit.

Oakland Mayor Libby Schaaf has said that details of the department’s investigation will be disclosed once they do not impinge on the inquiry and the ability to secure judgments against anyone responsible.

As for the internal Richmond police investigation, French said it wasn’t clear at this time when more details could be released.

“We hope to learn some more sometime this week,” she said.

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