The best Frank Mayo’s mystery movies

A married woman and a drifter fall in love, then plot to murder her husband.

A female private eye joins forces with a police detective to investigate the suspicious murder of a millionaire.

Philo is in Vienna working for the US Government to see if Archer Coe is selling aircraft designs to foreign powers. He grabs the plans with Archer's signature, but is captured by police before he can escape. Deported he comes back to America and plans to confront Archer, but Archer is found dead in his locked bedroom with a gun in his hand. While it looks like a suicide, Vance knows better and the coroner finds that Archer has been shot, hit with a blunt instrument and stabbed - making suicide unlikely. But Vance is on the case and is looking to see if government secrets have been sold and who has murdered Coe. This is a remake of "The Kennel Murder Case" using aircraft designs and espionage instead of Chinese porcelain and dog shows.

Director Benjamin Stoloff's 1936 mystery, set in Boston, stars Walter Abel as an amnesiac and Margot Grahame as an unemployed stage actress who work together to solve the murder of a playwright.

An estranged wife shows up after a nearly 7 years of disappearance -- thought to be dead, to prevent her husband from marrying his new love until someone kills her.

Nancy Drew and Ted Nickerson solve a murder and save two elderly ladies from losing their family home. The old mansion is complete with a moving wall and a hidden staircase.

While participating in a contest at a local newspaper in which school children are asked to submit a news story, local attorney Carson Drew's daughter Nancy intercepts a real story assignment. She "covers" the inquest of the death of a woman who was poisoned. Nancy doesn't think the young woman accused of the crime is guilty and corrals her neighbor Ted into searching for a vital piece of evidence and stumbles onto the identity of the real killer.

A newscaster (Ronald Reagan) gets demoted for exposing the town's criminal activities over the airwaves.

Dr. Francis Flegg , a specialist in blood disease and research, has been assisted in recent months by a mysterious fellow named Marshall Quesne who is extremely pale, with a streak of white hair. Newspaperman Garrett following the disappearance of an actress, whom he claims he saw was dead, turns up alive again, making Garrett look foolish. But he slowly becomes suspicious of Quesne and Flegg.

The citizens of a tiny Cornish village are tormented during World War II by a headless ghost which is haunting the local tin mine.

In California's Death Valley a chemistry whiz-kid helps a sheriff track the man who murdered a wealthy mine owner who had been staying at a fancy winter resort.

A high-society gent has a secret life - he writes murder mysteries and hangs out with the police attempting to solve crimes. This causes him no end of problems when his wife wants to know about his little disappearances and exceptionally late nights out.

The Falcon travels to Mexico where he gets involved with murder and a mysterious painting.

A San Francisco airplane bound for South America crashes, and among the scorched debris is found a shrunken native human head, neatly packaged. The perplexed police contact a local anthropology museum about this unclaimed piece of grisly baggage, where they intersect with Jack and Doc, two private eyes, called there to meet a mysterious woman who had a case for them and wanted to meet in private.