How To Sneak Into the Super Bowl With Social Engineering 164
danielkennedy74 links to an instructive story captured on video introduced with these words: "Sneaking in near press/employee access points without going thru them, zigzagging through corridors, and once carrying a box so someone opens a door for them, two jokers from Savannah State University social engineer their way into Super Bowl XLVII for the most part simply by looking like they belong."
USA Today has a slightly longer article.