This episode comes live from the heart of London. A year on from the terrorist attacks at Borough Market and London Bridge, Michelle Ackerley finds out how police officers in the city are combatting the ongoing threat of terrorism. In the studio, Rav meets the forensic anthropologist tracking down criminals from the vein patterns and markings on their hands. The team ask viewers for help to solve crimes featured in dramatic reconstructions, identify criminals caught on CCTV and track down wanted faces.