it looks like a stanley blade or craft knife, you dont feel the cut, and its that quick and neat,the flesh parts so clean, there is no blood at first, then woosh, spilt claret.
I'm sure he was innocent of whatever he was in there for too~
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“Darkness dwells within even the best of us. In the worst of us, darkness not only dwells but reins.” ― Dean Koontz, Strange Highways