Lying is a pretty common reaction of some people to stressful situations, especially when they have something to hide. If you are testifying at a trial, you wil

Lying is a pretty common reaction of some people to stressful situations, especially when they have something to hide. If you are testifying at a trial, you will have had time to collect your thoughts and prepare yourself for the situation, but that isn't the case if an FBI agents shows up at your door and starts asking questions. The law needs to allow for people to be human.