Hoi Kei Woo, 35, was last seen on Friday, April 18, before being reported missing the following Saturday.
Her vehicle was found at Windy Point on Mount Lemmon on Sunday, April 20.
She is 5 feet 3 inches tall and weighs 125 pounds. The Pima County Sheriff’s Department believes she is wearing a black blouse and pajama pants. She may also reply to Patricia.