Content Source/Owner: WIRED UK
Video direct url: https://youtu.be/Qjqa8oTikP8
Duration: ~ 17 min
This video was published on Feb 20, 2018
When a paedophile or rapist films their crime, professor Sue Black can track them down using nothing more than the veins, scars and other markings on their hands.
Read more: http://wired.uk/1HU67n