Do you remember those key-rings equipped with an alarm device? When you whistle the alarm goes out which allow you to find your keys. Now let's grab this idea and apply elsewhere. What about remote control for TV or other electronic devices. If you are like me always looking for your remote control, just buy an alarm key-ring and stick at the back.

Basically, this device would use the voice, posture, and habits of Politicians, News Casters, and Religious Leaders, and determine whether or not that person was telling the truth. There would be a digital recording feature so you could rerun the speech or statement to ensure the certainty of the results.