Pop, Bop, Chop!

*Pop!* There's a sound like a party balloon exploding: and a man in a polyester leisure suit goes flying overhead: one Italian loafer missing...

*Bop!* Aforementioned Italian loafer hits you in the back of the head...

You shout, "Police, freeze!" And grab someones' shoulders, use that leverage to flip yourself up into the air. You start running across the heads of the crowd, each footfall only lingering a split second and thereby doing little damage, searching for the perp whose fight or flight instinct will no doubt have kicked in by now...

There! He's... Not running, and surrounded by a: wavering aura of solid darkness? Whatever, you've got to take him down, FAST!

You drop into a fighting crouch and draw your service weapon, "Quit with the SFX and come along quietly!" You shout, drawing a bead.

You barely see him move: one blink he's standing still, your eyes open and he's almost on top of you!

*Chop!* His hand comes down on your wrists and your gun drops from nerveless fingers...