Gacy was deranged, insane - he shouldn't even have been put to prison but to a mental hospital for the rest of his life. He and other serial killers aren't "evil" but defective, sick.
A longer rant of mine on this subject: https://stockholmslender.blogspot.com/2021/02/fatal-inversions.html
A longer rant of mine on this subject: https://stockholmslender.blogspot.com/2021/02/fatal-inversions.html