Yep. He seems to be finally getting sound advice. Behaving like one who might have several multimillion dollar lawsuits in his future. GOOD CALL.
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When his civil cases get to trial, his destruction of the rifle will earn him no favor with a jury. If he is more concerned with his trial recovery than the bad message he’s sending about gun use, he can hide the gun away and then dispose of it in gun-favorable way AFTER the trial.