This was botulin itself, the pure toxin, an alkaloid just like that which is formed in meat and other food products in cases of botulism.
"The Film Mystery"
Arthur B. Reeve
It is as simple to learn how to use crotalin or botulin toxin or any number of hundreds of deadly substances as it is to obtain the majority of them.
"The Film Mystery"
Arthur B. Reeve
Also I have the evidence of the snake venom and of the botulin toxin here.
"The Film Mystery"
Arthur B. Reeve