The bomb detection tool has no working electronics, no power source, and critics say, no real function whatsoever. But the device has been deployed in Pakistan, Iraq, Bangladesh, Georgia and India. (Getty Images)
The attackers carried in explosives, guns, ammunition, food, and water. The investigation into how they breached security is ongoing, but the ADE-651 -- the bomb detection tool used by airport security -- has faced criticism.
The tool is a sort of dowsing rod -- it has no working electronics, no power source, and critics say, no real function whatsoever. But it's also been deployed in Iraq, Bangladesh, Georgia and India.
To learn more about the tool, and why it remains in use, we were joined by three guests:
Have thoughts you want to share?
This segment was produced by The Current's Catherine Kalbfleisch and Naheed Mustafa.