Does evidence have anything to do with stereotypes? Why do people speak lies and indulge in deception? The purpose of telling the truth is contingent on knowing the truth, and that truth has value in the collective sense. The brain is positioned as that authentic source that has been predicted by some to develop the legal decision-making system. This scientific knowledge may surpass the rationality and intuition of judges. In one way, it is a boon, and in another way, it is shaping the whole framework of our knowledge system, where knowledge from brain studies reify our understanding of human actions and thinking