British Lab Has Not Identified ‘Precise Source’ of Poison in Spy Case

British Lab Has Not Identified ‘Precise Source’ of Poison in Spy Case Photo Investigators with the bench on which Sergei V. Skripal and his daughter were found unresponsive after being poisoned in Salisbury, England, last month. Credit Will Oliver/EPA, via Shutterstock Britain’s military laboratory has not established whether the nerve agent that poisoned a Russian former double agent and his daughter came from Russia, the laboratory’s chief executive said on Tuesday.
“We have not verified the precise source,” the executive, Gary Aitkenhead, told Sky News. Mr. Aitkenhead said his laboratory, the Defense Science and Technology Laboratory, had confirmed that the poison was Novichok, or from its family of nerve agents, and that it was of military grade.
“We provided the scientific information to the government, who have then used a number of other sources to piece together the conclusions they have come to,” Mr. Aitkenhead said. He said it was “not our job to say where it actually was man..