Yolanda Marodi, who is suspected in the slaying of her wife, a Cal Fire captain, pleaded guilty in 2004 to voluntary manslaughter in the fatal stabbing of her then-husband.

Deputies from the San Diego Sheriff's Office found Rebecca Marodi, 49, in her home with multiple stab wounds on Monday. She died at the scene.

Authorities have identified the suspected killer of a Riverside County Cal Fire captain who was stabbed to death in Ramona on Monday, and it appears this is the second time this person killed her spouse.