evaluating new evidence
We’ve got a new sketch—now for a new
Following up on Benny’s story, officers have returned to the scene, and
found footprints, a broken window, and a set of tire trackes that might
indicate that he’s telling the truth. But there’s a big problem—from where
Charlie appeared to be standing, he can’t have shot Micky through the
door, plus the bullet that killed him came from the outside the building!
We do know that the bullet must have traveled in a straight line headed in
the direction shown on the sketch, but how it got there is the big question.
CRIME SCENE SKETCH
(ANGLES AS MEASURED
BUT DRAWING NOT TO
The dotted line extending the bullet path—how do we
know it’s really straight?
A:We’re going to start by saying that this line MUST be
straight heading backward from where the bullet entered the wall,
and then work up the sketch to find out how the bullet came to be
traveling in exactly that trajectory.
26 Chapter 1