“Gas,” he declared, “is a more elegant method.” The truck, hermetically sealed, used its own exhaust gas to asphyxiate the people locked up inside; this solution, indeed, lacked neither elegance nor economy. As Widmann explained to us, other solutions had been tried out first; he himself had conducted experiments in Minsk, on the patients of an asylum, in the company of his Amtschef, Gruppenführer Nebe; one attempt, using explosives, had given disastrous results. “Indescribable. A catastrophe.” Blobel looked enthusiastic: he liked this new toy and was eager to try it out for the first time.

