Maigret (1960 TV series) | The Revolver (S01-E04)

Episode 4 - Based on "Maigret's Revolver" (Le Revolver de Maigret)
A baffling case takes Maigret to England and a collaboration with his friend Inspector Pyke.

Episode 5: https://rumble.com/v5l5fsq-maigret-1960-tv-series-the-old-lady-s01-e05.html