Picpus is a street and a subway stop where a number of murders have been committed. Maigret tries to find the killer.
Albert Préjean
Maigret
Juliette Faber
Berthe
Jean Tissier
Mascouvin
André Gabriello
Lucas
Noël Roquevert
Louis Dubief
Guillaume de Sax
Maître Laignan
Édouard Delmont
Le Cloaguen
Antoine Balpêtré
Le grand patron
