Cliff Todd devoted his life to bringing bomb makers to justice. He and his ingenious colleagues at the MoD's Forensic Explosives Laboratory played a pivotal role in uncovering the secrets behind many of the world's most horrifying terrorist outrages. From Lockerbie, through 7/7, to the Shoe Bomber and beyond, this elite band of unsung heroes did their duty without fanfare, and often at great personal cost. They are the technicians in white coats who stand behind the men in black, but are themselves no strangers to the killing zone. Explosive tells their fascinating and deeply moving story.