The San Diego County Medical Examiner’s Office released new information on the woman who died after being rescued from a storm drain in Poway earlier this week. On the morning of March 25, Yafang Zhou,

Five days before a missing San Diego woman was found dying in a Poway storm drain, police had spotted her vehicle at a nearby trailhead. Information released Thursday by the Medical Examiner’s Office sheds more light on why San Diego police were searching for 59-year-old Yafang Zhou in the remote area.

San Diego Fire-Rescue Battalion Chief Erik Windsor said on Monday that he thought Yafang Zhou, 59, may have been trapped for days.