CLUE: Single Alley Edition

A version of the CLUE board game where the setting is an alley.
Locations include:
The Stain. The Dumpster. Maybe A Cat.
The Loose Pile of Bricks and Newspaper.
A Locked Door. A Barred Window. The Entrance/Exit.
The Shadows Where Switchblades Sing.
The Point After Which, Once Passed, One Cannot Safely Run Out of the Alley.
Where the Light Stops.