Most travelers feel like they have a decent grasp on TSA rules. Liquids go in a quart-size bag, laptops come out, the usual. Still, there’s a wide gray area when it comes to everyday items that don’t seem dangerous, until they show up on an X-ray looking like something else.
That’s exactly what happened to one Chicago woman, whose carry-on set off alarms at O’Hare after TSA agents spotted an item that looked suspiciously like a knife.
