Manhandled

Manhandled is a 1949 film noir directed by Lewis R. Foster, and starring Dorothy Lamour, Dan Duryea, and Sterling Hayden, and based on the 1945 novel The Man Who Stole a Dream by L. S. Goldsmith.

A private eye, Karl Benson, steals the office keys of Redmans private secretary, Merl Kramer, who is then framed after Ruth is found murdered. Karl has planted some of the dead womans jewels in Merls apartment.Insurance investigator Joe Cooper is on the case, along with the police. Karl is confronted by Dr. Redman, who confesses that it was he who murdered Ruth, his own patient. Karl happened upon the murder scene, knocked out Redman and stole the jewels. ........

Source: Wikipedia