Originally Posted by
GeeRam
That's just a random theory proposed by an ex-chem weapons scientist, because of the mods made to the anti-tank grenade. No evidence exists to support it, or no evidence exists available to the public, to support it. What medical records exist of Heydrich's treatment afterwards indicate he showed none of the systems associated with botulism, the claimed agent used. One of the 2 Czech agents that did the attack was also injured by the exploding grenade and had it been a bio agent, he would have been likely died or showed symptoms before the Germans eventually got to them. Given the crude mods to the anti-tank grenade, and the time and method taken to deploy them and it all the way to Prague, I think its a very fanciful theory.