The authorities said they believed the man they found dead on Canfield Mountain had set a brush fire and then shot at firefighters who responded, killing two and wounding a third.
A sheriff's office issued a shelter-in-place alert near the scene of the shooting. The governor called the attack "a heinous direct assault on our brave firefighters."
The lawsuit, which seeks at least $787 million in damages, comes as the California governor adopts an increasingly combative style with the president and his allies.
The Justice Department has demanded that James E. Ryan step down to help resolve a civil rights investigation into the school, three people familiar with the matter said.
Old friends are bewildered by the turn taken by the second lady, a onetime Democrat and former litigator for a San Francisco firm. Others say she's happy in the role.