Dahmer.
Jowhn Wayne Gacy, Richard Speck, Juan Corona. Some, like Mouranis and Manson we know were neglected as children. Others, we may never know. Especially now that every serial killer "was an abused child" regardless of whether that is in fact true.
"Can you imagine that some parents might actually have to go through this and would think this way?"
Yes I can.
Here's a link you might find of interest..
http://query.nytimes.com/gst/fullpage.html?res=990CE7DF163BF93BA2575AC0A963958260
Somewhere online is an interview Jeff Dahmer's mother did, that would shed some light also on a parent's feelings.
I guess my question, and perhaps Forever's, is: Was this the fault of the parents? parents can overlook a lot in the name of love.