Mao Renfeng was a Republic of China general and spymaster who headed the Bureau of Investigation and Statistics from 1946 until his death, succeeding his childhood friend Dai Li, who died in a plane crash in 1946. Between 1946 and 1949, his spy agency played a prominent role in the Chinese Civil War. In 1949, he fled to Taiwan with the rest of the Nationalist government, where he died 7 years later.