A woman was stabbed to death at a home in Ramona, prompting a homicide investigation early Tuesday, the San Diego County Sheriff’s Department said.

Homicide Unit detectives are investigating the stabbing death of a woman in a Ramona home, according to the San Diego County Sheriff’s Office.

An off-duty Cal Fire captain was found fatally stabbed inside her Ramona home Monday evening, and sheriff’s detectives are investigating the homicide as a possible domestic violence case, officials said.