He certainly had no qualms with killing Tyler Rake, or at least trying to anyway. He and his gang of kids were less than successful during the first attempt, and even shooting Tyler in the neck seemed to not take. Of course, we don’t know for sure that Rake survived that just yet, though the end scene certainly made it look like that was the case. Still, it seems like a tall order to do Extraction 2 without Chris Hemsworth, so let’s be realistic.
