Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon in order to trace it to its owner. [also marked as S7:E40]
| Title | Scratching the Surface |
|---|---|
| Genres | Crime Documentary |
| Release Date | 2002-11-28 |
| Episode Runtime | 00 Hours 23 Minutes |
| Season Number | 7 |
| Episode Number | 33 |
| Production Companies | Medstar Television |
