They aren’t human. You need a silver bullet through the heart to kill one dead.
The ones you think are dead? You ever hear of ‘playing possum’? They’ll shake it off and walk away when they think the threat is gone.
Did you ever see an opossum ‘play dead’?
I came across one that looked so disgusting I did not even want to touch it- it looked like it had died last year..... so I walked away, and about 10 minutes later I came back around a bend and the thing was walking away.
Its a pretty amazing defense mechanism