Sam was rescued but not much was known about his rescuers or why they came when they did.
Sam was in a vulnerable state but he was alive, these people had no idea the kind of person he was but he couldn't be much of a threat if he was in this state.
Even with that, they took precautionary measures, binding Sam just in case he indeed proved to be a threat.
But what was going on in Sam's unconscious mind?
What was the one thing he was reliving over and over?
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Sam was an orphan that always got into trouble at the orphanage that he was in, it was a Christian orphanage that disciplined their children physically.
Sam was beaten regularly because he didn't understand certain emotions or how to process them healthily.
This resulted in him lashing out in violence when the other kids upset him or made fun of him.
Sam, however, responded well to authority even though it only lasted for a few days.