I don't believe this was an accident, keep your finger off the trigger and this would not happen. Guy brings a gun in his carry on of course forgot it was there. While being unloaded by someone you would think should know better discharges the firearm. Bigtime fail. Here's the link to the story:
Gun In Carry-On Accidentally Fired - Indiana News Story - WRTV Indianapolis
Gun In Carry-On Accidentally Fired - Indiana News Story - WRTV Indianapolis