A would-be terrorist tries to board a plane, bent on mass murder. As he walks through a security checkpoint, fidgeting and glancing around, a network of high-tech machines analyzes his body language and reads his mind.
Screeners pull him aside.
Tragedy is averted.
As far-fetched as that sounds, systems that aim to get inside an evildoer’s head are among the proposals floated by security experts thinking beyond the X-ray machines and metal detectors used on millions of passengers and bags each year.
On Thursday, in the wake of the Christmas Day bombing attempt over Detroit, President Barack Obama called on Homeland Security and the Energy Department to develop better screening technology, warning: “In the never-ending race to protect our country, we have to stay one step ahead of a nimble adversary.”