, Yes any human could potentially be a criminal. No one can force anyone to do anything. People break laws, people get death penalties, and people also get corporal punishments, yet this still doesn't stop crime 100 percent (although it would be effective if it did).
I am a human being. I am just not some emotional, dramatic nut job who uses emotions to control other people's destinies. Just because a mother doesn't judge her daughter's aggression doesn't mean the mother is not a human being. If anything, you're not a human being because you are against the progression of humanity, since humanity always changes.
Laws that do not prevent social decay and activities that are dangerous to the survival of humanity are more of a serious threat because the most evil people are not those who do evil, but rather those who let evil slide.
Sterilising prisoners is a excellent idea. Do you really want those horrible criminals to reproduce?