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 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.

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.

Rebecca Marodi, a Cal Fire captain stationed in Riverside County, was found stabbed to death inside of her own home in Ramona on Monday evening, authorities said.

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.

Deputies from the San Diego Sheriff's Office responded to a radio call about an assault with a deadly weapon in the 20200 block of Rancho Villa Road in Ramona around 9 p.m., the sheriff's office said in a press release.

Authorities asked for public help in their quest to find Yolanda Marodi, suspected of fatally stabbing wife Rebecca Marodi in her Ramona home.

The suspect in the killing of Rebecca Marodi is her wife, 53-year-old Yolanda Marodi Hunter Schafer’s New Passport Lists Her Gender as ‘Male’ After Trump Executive Order: ‘I Am Never Going to Stop Being Trans.