Boulevard des assassins (1982)

A former journalist,Daniel has become an esteemed writer ;however,his last books met mixed critical reception.He settles in Lourciez ,on the riviera in a friend's apartment.A neighbor tells him that a crime was committed in the building a few weeks ago.Daniel investigates:it seems that murderers do away with old ladies to appropriate their valuable properties .And the mayor of the town might be behind these very bad things.