The Black Camel is a 1931 American PreCode mystery film based on the novel of the same name by Earl Derr Biggers. It is the second film to star Warner Oland as detective Charlie Chan, and the sole survivor of the first five Chan films starring Oland. The Black Camel marked the film debut of Robert Young.
Honolulu Police Inspector Chan pretends to be a humble merchant, but Tarneverro sees through his impersonation. Chan mentions to him the yet unsolved murder of film star Denny Mayo, committed years before.Then Jimmy finds Shelahs body she has been murdered. Julie makes him remove Shelahs ring before calling for the police. ........
Source: Wikipedia