"How many more copycats are waiting in the wings? A dozen more killers? ... How can we even guess how many, given our nation's refusal to create an active national database of the mentally ill? The fact is, that wouldn't even begin to address the much larger & more lethal criminal class: Killers, robbers, rapists & drug gang members who have spread like cancer in every community in this country. Meanwhile, federal gun prosecutions have decreased by 40% — to the lowest levels in a decade."