https://www.bbc.com/news/uk-46290989
In his first interview since it happened, Det Sgt Nick Bailey told the BBC's Panorama: "Everything the kids owned, we lost all that, the cars, we lost everything."
Det Sgt Bailey came into contact with the nerve agent after being sent to the Skripals' home, where it had been sprayed on the door handle.
After finishing work on that fateful day, he unwittingly contaminated his home.
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"I was conscious throughout the whole time," he said. "I had lots of injections… I had five or six infusions at any one time in my arms. Physically, I felt quite numb after a while."
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He's still not sure how the nerve agent bypassed the protective gloves he was wearing to get into contact with his skin.
"I don't know," he said, "I could have adjusted my face mask and my goggles while I was in the house, with it being on my hand."