“Hey guys,”
...is how he casually greets them after committing capital murder in cold blood, as though he’s just letting them know that he can’t make it to their Friday night ice cream social.
sociopath:
“Antisocial personality disorder, sometimes called sociopathy, is a mental health condition in which a person consistently shows no regard for right and wrong and ignores the rights and feelings of others.”
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Sounds about right doesn’t it?