The best Mona Barrie’s crime movies

After receiving congratulations from the Home Secretary for solving his most recent case, Charlie is sought out by Pamela Gray, a beautiful but desperate young socialite whose brother Paul awaits execution for the murder of a weapons inventor. She is so convinced of his innocence that she becomes distraught when she overhears Neil Howard, her brother's lawyer and her fiancee, confide to the detective his belief in his client's guilt. Angered at this disclosure, she returns his ring and breaks off the engagement. Although the execution will take place in 65 hours, Charlie pledges to expose the murderer. All potential suspects are reassembled in the country mansion of family friend Geoffrey Richmond, where the murder took place, as Charlie tries to expose the real murderer before time runs out.

No good deed goes unpunished for Lena Karelson (Wynne Gibson), hooker with a heart of gold trying to go straight in the big city. Covering a bachelor party for a friend in need, Lena winds up at a gambling house where she is the sole witness when Mayor Wentworth's drunken lout of a son shoots the owner. Wentworth's political machine wants Lena to falsely incriminate mob boss Callahan to bolster their re-election campaign. Callahan's mouthpiece nabs Lena first, conveying her stealthily by train from Toledo to New York to prevent her from testifying against the big boss. A midnight special smash-up, a tense courtroom finale and true love triumphant round out this typical Fox pre-Code programmer, released just before the Legion of Decency dropped the hammer in 1934.

In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was

The Whistler, mysterious narrator of the radio series of the same name, "knows many things" for he "walks by night." This time the unseen whistler knows all about mentally disturbed artist Richard Dix, whose first wife died under mysterious circumstances. Wife Number Two (Leslie Brooks) begins to suspect that Dix's earlier spouse may have been murdered, and that the artist was the killer.

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.