The best Robert Emmett Keane’s mystery movies

Maisie Revere, a showgirl stranded in Los Angeles, decides to join the local police department on the persuasion of Lieutenant Paul Scott who wants to use her as an undercover agent to expose a conman.

A meek reporter happens upon a murder, an escaped gangster and a stolen jade chess set.

Falsely convicted of murder, young Robert Draper (Robert Preston) escapes custody during a practice blackout drill. Under cover of darkness, Draper hopes to find the real killer, who turns out to be a member of a Nazi sabotage ring. Completed shortly before America entered WW2.

Millionaire sportsman Hiram Brighton hires gumshoe Michael Shayne to keep his spoiled daughter Phyllis away from racetrack betting windows and roulette wheels. After Phyllis slips away and continues her compulsive gambling, Shayne fakes the murder of her gambler boyfriend, who is also romancing the daughter of casino owner Benny Gordon, in order to frighten her. When the tout really ends up murdered, Shayne and Phyllis' Aunt Olivia, an avid reader of murder mysteries, both try to find the identity of the killer.

Earl Conrad, an industrialist, blames himself for the death of his wife, as he failed to rescue her from drowning in the sea. He wants to end his life and hires a killer to kill him.

The dream is unusually vivid: Bank employee Vince Grayson finds himself murdering a man in a sinister octagonal-shaped room lined with mirrors while a mysterious woman breaks into a safe. It is so vivid that Vince suspects it may have really happened. To get the dream off his mind, he goes on a picnic with some relatives. When a thunderstorm forces his party into a nearby mansion, Vince discovers that the bizarre room does exist, and it means nothing but trouble.

The title character, played by Edmund Lowe, is a famous magician who fakes his own death -- then reappears as his nonexistent twin brother. It's all part of Gregory's master scheme to pin his "murder" on innocent John Randall (Don Douglas), the husband of Ellen (Jean Rogers), the woman Gregory loves.

Two industrialists disappear from an airplane while the plane is in the air. Also missing is $100,000. The Falcon investigates and discovers a plot against the government.

A man believed to be dead and buried escapes from his grave and returns to the scene of the crime seeking revenge.

A woman and a man vying for a woman's affection: the usual love trio? Not quite so since the belle in question is Lorraine de Grissac, a very wealthy and alluring society woman, while one of the two rivals is none other than Arsène Lupin, the notorious jewel thief everybody thought dead, now living under the assumed name of René Farrand. As for the other suitor he is an American, a former F.B.I. sleuth turned private eye by the name of Steve Emerson. Steve not only suspects Farrand of being Lupin but when someone attempts to steal a precious emerald necklace from Lorraine's uncle, Count de Brissac, he is persuaded Lupin is the culprit. Is Emerson right or wrong? Which of the two men will win over Lorraine's heart?

The Saint Takes Over, released in 1940 by RKO Pictures, was the fifth motion picture featuring the adventures of Simon Templar, a.k.a. "The Saint" the Robin Hood-inspired crimefighter created by Leslie Charteris. George Sanders returned as Templar, with Wendy Barrie playing his latest romantic conquest in her second of three appearances in the Saint film series (playing a different role each time). This film focuses on the character of Inspector Henry Farnack (Jonathan Hale), who appeared in several of the Saint series. When Farnack is framed by a gang he is investigating, it is up to The Saint to clear his name.

Eminent psychiatrist Dr. Brenner invites cartoonist Bill Harrison and his wife, Jack, to a banquet honoring war refugees. Bill volunteers to pick up fellow psychiatrist Dr. Baumler at the train station, but the man vanishes when he has Bill stop so he can use a pay phone. At the dinner, Bill and Jack are seated with Brenner's daughter, Freda, and, to Bill's surprise, another man is introduced as Baumler -- who dies moments later.

The Shadow (Kane Richmond) cracks a case of missing jewels, murder and plastics.

Chan is faced with suspects in a stolen atomic bomb formula case, that are being killed with bullets that are not fired from a gun.

An investigator for the District Attorney's office quits to open his own detective agency. However, business is so bad that he finally decides to give it up and go back to his old job. As his wife is at his office closing up, a wealthy society matron walks in with a case: she wants to know if her husband is having an affair with his ex-girlfriend, who is now married. The wife accepts what looks to be an easy case, figuring than she can then persuade her husband to re-start the agency. However, when the client's husband is found murdered, she decides to investigate the murder herself. Her husband has also been assigned by the D.A. to investigate the murder, and he doesn't know that his wife is also on the case. Complications ensue.

A hardworking secretary for a rich woman finds herself engaged to the woman's son and accused of a murder she didn't commit.