Last night I finished season 6 of Ice Cold Murders: Rocco Schiavone and it was very good IMHO, just like the previous 5 seasons. If you haven't seen it yet, it's well worth a look.
Here's what IMDB says about it: "Weed smoking, foulmouthed Rocco Schiavone is an offbeat Deputy Commissioner of the State Police. For disciplinary reasons he is transferred to the Alpine town of Aosta, far from his beloved Rome. The sophisticated but cranky Roman despises the mountains, the cold, and the provincial locals as much as he disdains his superiors and their petty rules. But he loves solving crimes."
I watched it here: https://www.channel4.com/programmes/ice-cold-murders-rocco-schiavone#
All 6 seasons are available.