The Novichok chemical structure is not a Russian state secret. The information is publicly available to anybody in the book of former Soviet scientist Vil Mirzayanov, one of the Novichok nerve agent's creators, who left Russia and now lives in the US.
"Only Russia could be behind the Salisbury attack", says the Novichok inventor and former Russian chemist Vil Mirzayanov in a TV interview from his $1 mln. home in the US.
Yulia Skripal last used VK on 7 March while in a critical condition, in a coma at the hospital in Salisbury 3 days after the alleged nerve agent attack.
FakeNews: If the highest concetration of the alleged Novichok nerve agent was identified on the Skripal's home front door why is this policeman without protective gear not affected? The photo was taken on 7 March, 3 days after the alleged attack.
The Novichok formula in a US study of treating organophosphorous poisoning funded by the Pentagon in 2005. The research resulted in an application for a patent which was filed in 2008 and approved in 2015.
https://www.rt.com/news/424149-skripal-poisoning-bz-lavrov/
Lavrov: Swiss lab says ‘BZ toxin’ used in Salisbury, not produced in Russia, was in US & UK service — RT World News
Lavrov: Swiss lab says ‘BZ toxin’ used in Salisbury, not produced in Russia, was in US & UK service — RT World News
RT
Lavrov: Swiss lab says ‘BZ toxin’ used in Salisbury, not produced in Russia, was in US & UK service
The substance used on Sergei Skripal was an agent called BZ, according to Swiss state Spiez lab, the Russian foreign minister said. The toxin was never produced in Russia, but was in service in the US, UK, and other NATO states.
47,454 Pentagon contractor personnel in Syria, Iraq, Afganistan, an increase of approximately 1,197 from the previous quarter of 2018.