if , as bourne feared , he 'd disclosed schiffer 's whereabouts under articulated interrogation , then bourne would have to assume that schiffer was by now in enemy hands , which would mean that the enemy also had in his possession whatever it was that schiffer had invented , some sort of biological weapon , code-named nx 20 , to which leonard fine , conklin 's conduit , had reacted so strongly when he 'd mentioned it .