Thanks for this. It is a fascinating topic. As such, it deserves accurate information -- as opposed to some of what we see being posted here today.

people or so killed or maimed for no good reason, and later feel no remorse or guilt over their actions?

I know it is vogue these days to not refer to these types of folks as psychopaths, so I'm wondering, what word is acceptable and appropriate for categorizing people who do these things?

You'd be surprised what people can fool themselves into believing.

odd name your parents chose. Is it Ms. or Mr. Psychopathy or us that P. S. Ychopathy?