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.

A suspect in the fatal stabbing of a Cal Fire captain in San Diego County was identified Thursday by law enforcement officials, who confirmed she previously served time in state prison for voluntary manslaughter in connection with another killing.

Rebecca Marodi was found in her San Diego-area home Monday. A woman has been identified as a suspect in her slaying, but her whereabouts are unknown.

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.

Rebecca Marodi, 49, was found Monday at a residence on Rancho Villa Road in Ramona, according to a San Diego Sheriff's Office news release.

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.

Investigators are seeking 53-year-old Yolanda Marodi, also known as Yolanda Olejniczak, in connection with the killing of Cal Fire Capt. Rebecca Marodi, 49.

The  County Sheriff’s Office said it has identified Yolanda Marodi, also known as Yolanda Olenjniczak, as a suspect.

The wife of a Cal Fire captain found stabbed to death in her San Diego County home was identified as a suspect Thursday by law enforcement officials, who confirmed she previously served time in prison in connection with another killing.

Rebecca Marodi, 49, a captain with the California Department of Forestry and Fire Protection (Cal Fire), was found at her Ramona residence with multiple stab wounds on the night of Feb. 17, after deputies responded to a call for an assault with a deadly weapon, according to a statement from the San Diego County Sheriff’s Office.

Law enforcement is asking for the public's help as they investigate a Monday night homicide of a woman in Ramona.