Oh... The reason for using non-lethal force to neutralize the scum?

If we keep them alive, we can publicly shame and torture them to the slow, excruciating death they deserve. THAT'S the kind of social attention I think we need to shower on school shooters and the like if we don't like watching this happen.

Cruel and unusual punishment is generally frowned on in our society. I sometimes wonder why; seems absolutely appropriate for murderous scum.