As an 80s baby I grew up playing Sierra games on PC and one series my brother and I would play a lot was the Police Quest series (along with Space Quest). I found a website where you could play Sierra games (first one I played was Leisure Suit Larry since I wasn't allowed to play it as a kid) and I am considering doing a replay of the Police Quest games and basically a total retro gaming dive until Starfield and Elder Scrolls 6 comes out (my main gaming at the moment is Modded Skyrim, Sims, and Assassin's Creed Valhalla).
Can anyone recommend any good cop games whether old or new?
This Is The Police is a neat little indie game where you take the role of a beleaguered police chief fighting corruption and bureaucracy in a small town. It's mainly a resource management game. The soundtrack is awesome.
I'll second a few games mentioned by others. I really enjoyed Sleeping Dogs, LA Noir, and the turn based SWAT games.
You could also try playing as the greatest detective of all time, Brent Halligan, in the point and click adventure Mystery of the Druids.