Maigret (1960 TV series) | The Cactus (S01-E12)

Episode 12 - Based on "Maigret Takes a Room" (Maigret en meublé)
When one of his men is wounded outside an apartment house, Maigret checks in as a guest so he can investigate undercover.

Episode 13: https://rumble.com/v5lq3it-maigret-1960-tv-series-the-childrens-party-s01-e13.html