I’m no gun expert but I’m pretty sure this sort of thing isn’t supposed to happen.. jeesh.
Police: Hug Triggers Officer’s Gun, Kills Woman

DETROIT July 9, 2012 (AP)
A woman celebrating the weekend before her 25th birthday was fatally shot Sunday when she hugged an off-duty police officer while dancing at a party, causing the officer’s service weapon to fire, according to police and her mother.