The best Porter Hall’s mystery movies

A rich woman and a calculating insurance agent plot to kill her unsuspecting husband after he signs a double indemnity policy. Against a backdrop of distinctly Californian settings, the partners in crime plan the perfect murder to collect the insurance, which pays double if the death is accidental.

A husband and wife detective team takes on the search for a missing inventor and almost get killed for their efforts.

Pete Marshall is sent as a replacement to the mountain district town of Plainville when a public opinion surveyor who went there goes missing. Visiting the hillbilly family of Mamie Fleagle, Pete begins to suspect that she and her two sons have murdered the surveyor. Pete then believes that Mamie is slowly poisoning wealthy Grandma Fleagle, who has put a vital clue to her fortune in a nonsensical embroidered sampler.

A Swedish princess boards an ocean liner in Europe en route to an acting career in America, and finds herself getting inconveniently attached to a bandleader returning home. To complicate matters, a blackmailer on board apparently knows she is not who she claims to be - and he has his sights set on other passengers with secrets of their own. In the meantime an escaped killer has stowed away under someone else's identity, and is killing again to cover his tracks; five international police detectives on board are heading the investigation to find him. When evidence points to the princess and bandleader, they must find the killer themselves - before he finds them.

Drummond manages to save a woman from jumping in front of his car but she runs away with his car. He traces her and she asks him to help her out of a dangerous situation.

In the second screen version of The Maltese Falcon, a detective is caught between a lying seductress and a lady jewel thief.

A con man who stages phony "lucky legs" beauty contests and leaves town with the money is found with a surgical knife in his heart by Mason.

Drummond's wedding with Phyllis is interrupted when the inspector guarding their gifts is killed. He tries to trace the killers and uncovers the mystery of diamond counterfeiters.

Captain Drummond and his girlfriend want to marry but a hidden treasure in the house in which they want to celebrate their marriage is complicating the situation involving a series of deaths and an elusive murderer.

Ruth Raymond works on the switchboard and her boyfriend is John Blake. It has taken 14 years, but a detective named Murray has found her and confirmed.

Married sleuths (Gracie Allen, William Post Jr.) find a corpse in their closet and round up suspects.