For these crimes were committed en masse, not only in regard to the number of victims, but also in regard to the numbers of those who perpetrated the crime, and the extent to which any one of the many criminals was close to or remote from the actual killer of the victim means nothing, as far as the measure of his responsibility is concerned. On the contrary,
in general the degree of responsibility increases as we draw further away from the man who uses the fatal instrument with his own hands. (247p)