Forensic Files

Hot on the Trail (10x37)

: 15, 2006

A serial arsonist was on the loose in Washington, DC. Each of the fires was started with the same type of incendiary device. The perpetrator was very careful, and seemed to leave no evidence behind… but there were clues in the ashes and it was up to forensic scientists to find them. Originally aired as Season 10, Episode 37.