Gangsters from the United States try to kill a key government witness whose testimony could help land an influential mobster in jail. It's up to detective Maigret to deal with the FBI and a series of underworld figures to save the life of the witness...
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Verdict: Unknown
> Gilles Grangier (Director)
> Louis Page (Director of Photography)
> Georges Charlot (Production Director)
> Georges Simenon (Novel)
> Gilles Grangier (Adaptation)
> Jacques Robert (Adaptation)
> Jacques Robert (Dialogue)
