A string of failures led to the deaths of two young people in a terror attack at London’s Fishmongers’ Hall after authorities were blinded by their killer’s “poster boy image,” an inquest jury has concluded. Cambridge graduates Jack Merritt, 25, and Saskia Jones, 23, were fatally stabbed by convicted terrorist Usman Khan at an alumni event put on by prisoner education programme Learning Together on November 29, 2019. Khan, 28, who wore a fake bomb vest, was tackled by delegates armed with a narwhal tusk and a fire extinguisher, and driven out on to London Bridge where he was shot dead by police. An inquest at the Guildhall in London heard that Khan had been released from prison 11 months earlier under strict licence conditions and was under investigation by counter-terrorism police and MI5. But the “manipulative and duplicitous” terrorist hid his murderous intent from those tasked with keeping the …