Boomerang
Comme un boomerang (original)
A reformed gangster turns to his old associates for help after his son kills a police officer.
Starring Alain Delon, Carla Gravina, Louis Julien, Monique Chaumette, Louisa Colpeyn, Charles Vanel, Dora Doll, Suzanne Flon, Jacques Debary, Jacques Rispal
It's a crime and drama movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Ireland.