The Chinese Ring (1947)
Soon after a Chinese princess comes to the US to buy planes for her people, she is murdered by a poison dart fired by an air rifle
The Trap (1946)
When a troupe of showgirls with their impresario and press agent vacation at a Malibu Beach resort, two of them are garroted Charlie takes on the case assisted by Number Two Son Jimmy and faithful chauffeur Birmingham Brown
The Golden Eye (1948)
Chan discovers a conspiracy when a low paying gold mine seemingly starts to become profitable, and attempts are made on the owners life