Jalima, they weren't' targeted' by the Russians. The Russians denied anything to do with the Skripal case, blaming it on Porton Down. If another couple of people, with no contact with the Skripals and with no security issues is infected, the Russians can just turn round and say 'See, we told you, both poisonings are the result of intent or lack of security at Porton Down. Where ever the Novochok, was placed it was somewhere which had enough people going past for someone to pick it up and be poisoned. No targeting involved