Little Red Monkey (1955)

Mysterious murders targeting nuclear scientists in London leave Scotland Yard perplexed, coinciding with the arrival of Bill Locklin, a special officer from the U.S. State Department. He is tasked with facilitating the transfer of Professor Leon Dushenko, a defector from the U.S.S.R. As tensions rise, an assassination attempt on Dushenko occurs, marked by an unusual monkey's paw-print at the crime scene. The investigation unfolds, intertwining international intrigue and danger, as Locklin races against time to protect the scientist and uncover the truth behind the chilling murders.