Mason Chen was last seen in Santa Clara, California, around August 1, 2020, when he was three years old. He is described as being of Chinese descent, with black hair and brown eyes; a distinguishing feature is the missing tip of his left ear. The National Center for Missing & Exploited Children lists this case as number 1402908.

Authorities say Mason was allegedly abducted by his mother, Jin Zhao. A felony warrant for her arrest was issued on October 7, 2020, and investigators believe Zhao may have traveled to China with Mason. The Union City Police Department in California is the primary law enforcement agency handling the case and can be contacted with any information.

If anyone has seen Mason or knows of Jin Zhao’s whereabouts, please share what you know with the Union City Police Department.