Qizhao Su, 23, was last seen in San Francisco on July 14, 2020. He is described as 5 feet 7 inches, about 140 pounds, of Chinese descent, with black hair and black eyes. On the day he vanished he left home carrying a bag and wearing a black puff jacket, blue jeans, and black sneakers.

Su spoke with his mother by phone before leaving and said he would not be returning soon; no further details were given and he has not been heard from since.

Does anyone who knew Qizhao, or who was in the area of San Francisco on July 14, 2020, have tips that could help investigators?