Lazear Marcus Koch is a uniformed police sergeant serving the Fifth Precinct as a Sergeant: Supervisor Detective Squad, Special Assignment. He carries a 9mm Glock 19 police-issue service sidearm. He is known variously by his friends and colleagues as "Koch", "Lazear" or "Laser." Crooks he has rustled tend to refer to him as "Laser-cock".
Most often heard saying "It's pronounced 'Koke'."