Knock Three-One-Two - Fredric Brown

A serial killer is on the loose and is thirsting for another kill. Meanwhile sad sack loser Ray Fleck, compulsive gambler, has racked up a lot of debt and is looking to do whatever it takes to get the money, even if his means betraying the dame he's shacked up with behind his wife's back. Ray is about to be plunged into a night of pure Hell as the city boils over with madness and violence. - Summary by Ben Tucker