but that's untrue, as Sarin is non-persistent, and we even have examples of that from the August 21st 2013 Sarin attack 2/3— Eliot Higgins (@EliotHiggins) April 17, 2017
but that's untrue, as Sarin is non-persistent, and we even have examples of that from the August 21st 2013 Sarin attack 2/3