The Golden Eye

The Golden Eye is a 1948 American film directed by William Beaudine and starring Roland Winters in his fourth appearance as Charlie Chan. The film is also known as Charlie Chan in Texas Belgian English title and Charlie Chan in the Golden Eye American poster title.

Chan eventually surmises that much cheaper Mexican gold is being smuggled in and sold in the US at a huge profit by Driscoll and his men. When Driscoll makes a break for it, he is shot in the back by Bartlett. Then Chan reveals that it is Bartlett who is the boss of the smuggling ring and the killer of both Manning and Pete.

Source: Wikipedia