The stuff that sticks with you doesn't make for good stories. Most people want to hear about mangled bodies or gnarly injuries, but toddlers that drowned in the bathtub or neglected old ladies with their skin rotting off is way worse.
Madness string 101357
The question isn't why do I kill people. The question is why I don't kill everybody. I decide who dies, but mostly I decide who lives. I'm like God. And now you are too.