Just thought of this one yesterday
Det. Crawford (hero) is running after the bad guy, firing at him w/ his .38 revolver. He chases him up to a roof where the villain stops on the edge and notices a police car below. He turns around and sees Crawford standing 4 yards away from him.
The villain holds up his hands and says "What're ya gonna do now, eh? No point in shooting me! You'll have to arrest me, but I'll be outta jail in 5 years or less! We'll play this whole game again!"
Crawford reloads the cylinder of his revolver.
Villain shouts "Hey, woah, ya can't do this! They'll arrest you for shooting an unarmed man! Do the math, Crawford! J-just ask yerself... 'Do i really need to do this?'"
Crawford looks at his gun by his side and says "yeah." then slides in the cylinder, lifts his gun and fires 4 shots into the villain's chest, letting him fall to the asphalt below.