An unscrupulous businessman frames a rival for murder, then is himself found murdered in a locked room
The Fourth Square
SD - 5.8
The Fourth Square (1961)
IMDb:5.8
1961
The Police investigate a theft of emerald jewelry which had led to a murder
Clue of the New P
SD - 6.4
Clue of the New Pin (1961)
IMDb:6.4
1961
TV journalist Tab Holland assists Scotland yard with the murder of a reclusive millionaire whose corpse is discovered locked in a vault The key to the vault is mysteriously found on the table beside the corpse