Written on the Skin

A crime scene investigator notes the tiny indentations on the fragments of a tin can identified at a bomb site. After months of testing he is able to match them to the can opener that made them - and lead police to the bomb-maker who used it.

A forensic dentist documents the marks in chewing gum dropped by a thief during a burglary and matches them to the teeth of the suspect. A forensic physician examines an abused child, "reading" the terrible alphabet that fists and weapons write on the s...