09/09/2025
Name: Hoi Kei Woo
Nickname: Patricia
Age: 35 years old
Last Seen: April 18, 2025
Location: Tucson/Mount Lemmon, Arizona
Status: Still missing
35 year old Hoi Kei Woo, also known as Patricia, was last seen in Tucson, Arizona on April 18, 2025. Her car was found two days later at Windy Point on Catalina Highway.
Woo is originally from Hong Kong and came to Tucson on a student visa. She graduated from the UA’s Master of Science in Business Analytics program in December, 2024.
She met her husband at the UA, and the couple married in China after graduation. She is a volunteer lab research assistant at the UA.
On April 18, 2025, Hoi Kei Woo was last seen in Tucson, Arizona. “She did tell her husband that she needed some air, some fresh air, and left the house,” said Pima County Sheriff Chris Nanos.
Hoi never returned home and hasn’t been heard from since. She was reported missing to the Tuscon Police Department the following day.
On April 20, 2025, Woo’s 2019 white Volkswagen Tiguan was found at Mount Lemmon’s Windy Point on Catalina Highway. Her phone and purse were found inside the vehicle.
Authorities searched the Windy Point area for six days, but found no further clues as to her whereabouts.
The Pima County Sheriff’s Department says there is no indication of foul play. “We just don’t suspect anything that tells us there was a crime here, but we won’t rule that out,” Nanos said. They’re analyzing her phone and laptop for any clues.
Hoi has brown hair, brown eyes, stands 5’3 tall, and weighs 125 pounds.
Clothing & Accessories:
Hoi was last seen wearing a black shirt and pajama pants.
If you have any information regarding the disappearance of Hoi Kei Woo please contact the Pima County Sheriff’s Department at (520) 351-4900.