San Francisco is a city in the United States of America. In 1994, Margaret Shen moved here from Hong Kong with her son Wei and her daughter Mimi. Wei attended PS 121 High School in San Francisco, and graduated in 2002 with honors. He then enrolled at San Francisco State University in September 2002, majoring in politics. He voluntarily departed SF State in 2004 to pursue a career in the San Francisco Police Department.