Witnesses later testified he seemed surprised the weapon had gone off . Robber appealed his sentence for discharging a firearm in a bank . Weapon went off accidentally , said attorneys for Christopher Michael Dean . Chief Justice John Roberts called Dean ' the bunging bank robber ' saying : Best way to avoid sentence for gun crime is to leave gun behind .
Robber appealed his sentence for discharging a firearm in a bank . Weapon went off accidentally , said attorneys for Christopher Michael Dean . Chief Justice John Roberts called Dean ' the bunging bank robber ' saying : Best way to avoid sentence for gun crime is to leave gun behind .