Who left the door open? Who broke your limited-edition action figure? Who ate the last cookie in the cookie jar? Sure, these are trivial matters, but rules are rules, and honesty is still always the best policy. But if no one’s owning up to the crime, then it’s time to break out the Home Lie Detector test.
Just hook the nifty little gadget to your laptop and snap the sensor onto your subject’s finger. It keeps track of the person’s pulse, which will most likely speed up when they’re about to tell or are telling a tall tale.
It’s available online for $300.