If you are looking for an essay on the character (played by Arturo Muselli), he is a central figure in the Italian series Gomorrah , though that show concluded after 5 seasons.
: Erin Reagan deals with a salacious, anonymous online attack on a blog, forcing her to consider the costs of her public image as she eyes a run for District Attorney. Option 2: Gomorrah – The Legend of "Sangue Blu" Sangue blu s12e11
: In a lighter subplot, Danny Reagan is conned into paying for an expensive meal by a man impersonating legendary singer Jimmy Buffett (played by Buffett himself). If you are looking for an essay on
: Jamie Reagan faces backlash at his precinct after reinstating an old-fashioned saluting rule. In the end, it is revealed that he only did so to identify a criminal who was impersonating officers to steal guns from precincts; the impostor is caught when he fails to salute correctly. : Jamie Reagan faces backlash at his precinct
While there is no show specifically titled Sangue Blu that has reached 12 seasons, your request likely refers to one of two popular crime dramas: the American police procedural (which has a 12th season) or the Italian crime drama Gomorrah (which features a major character nicknamed Enzo "Sangue Blu" ).