An off-duty Sonoma County sheriff's deputy killed his ex-girlfriend and then himself in an unusual tragedy that has shocked the entire department, authorities said on Monday.

A Sonoma County Sheriff's deputy allegedly killed the mother of his three children before fatally shooting himself during a standoff with police and deputies on Monday morning.

Jeremy Lyle, an off-duty Sonoma County Sheriff's deputy fatally shot Mari Bonnici, the mother of his three children, at her ...

A federal trial is underway over whether lapses by jail staff led to Amber Marcotte’s fatal overdose behind bars.

Court records show Mari Bonnici alleged her ex-partner, Deputy Jeremy Lyle, had a history of abuse weeks before he fatally ...

A Sonoma County Sheriff’s Office deputy who allegedly killed his former romantic partner died of a self-inflicted gunshot ...

Deputy Jeremy Lyle was off duty when he fatally shot his former partner, Detention Specialist Mari Bonnici, according to the ...

Faith leaders and immigrant rights advocates in Sonoma County are holding a hunger strike to urge local officials to adopt a sanctuary ordinance. The hunger ...

Brad DeWall served as Undersheriff before being appointed to the top job on a 3-2 vote. Supervisors Cassandra James and Wanda ...

At a San Mateo County Board of Supervisors meeting Tuesday, the legal team representing embattled Sheriff Christina Corpus ...

Sheriff Carmine Marceno moves his No. 2 John Holloway to legal role, former FBI agent James Rankine steps in as undersheriff ...

At a San Mateo County Board of Supervisors meeting Tuesday, the legal team representing embattled Sheriff Christina Corpus made another attempt to halt the upcoming hearing proceedings aimed at her ...