Supposedly, the book he was working on when he died was about a Manchurian candidate in the white house. Someone might have felt it was hitting a little too close to the truth. At least we still have Stephen King…
Not odd. Kids keep odd things all the time that they think are cool at the time. Could be something his Dad had from FBI. Or Grandpa from a war. Doesnt have to be sinister in this case. Who knows, maybe he just liked putting it in his ass.