Gremlin scratched his head. "Well.. I've looted a lot of stuff from battlefields" he indicated the flamer "but I don't think I've ever come across stuff like this. And if I do find anything like that, I find its better to give it a wide berth in the name of self preservation. To get this stuff, and know what it is, he'd either have to be a very lucky and well-read on bio-warfare opportunist, or someone who'd have access to stuff like that, I dunno, a quarter master, or someone who can specifically order stuff in." he drummed his mechanical toes on the floor. "I think your question needs another couple clauses. Who could have access to a biological weapon, and who would know what it is and how to use it?"