“We are police officers, so we need to work with evidence. There were many hypotheses about who was responsible, who gave orders. All this was based on expert estimates in Russia. I need to have evidence, ”he said.

In March, British police said they were continuing to investigate the Skripals, noting that "there are parts of the picture," which in London continue to be "put together."

On August 2, the Russian embassy reported that they sent another note to the British Foreign Ministry demanding to respond to requests for progress in the investigation of the Salisbury poisoning case.