Fingerprints: The Origins of Crime Dectection and the Murder Case That Launched Forensic Science by Colin Beavan (Author) Format: Paperback

It is almost impossible to imagine that prior to the 20th century, there was no reliable way to distinguish between the guilty and the innocent. All that changed in Britain in 1905, when the bloody bodies of an elderly couple were discovered in their shop — and a solitary fingerprint became the only piece of evidence . . .