Guys… A guy like me in with security people giving me ugly looks isn’t scared because I am a terrorist or a criminal. I am terrified because I know I was singled out because of my skin color. I know no matter what I say that the people who singled me out can’t tell the difference between someone who is bi-racial and someone from the Middle East. I don’t wear jewlry with Baha’i symbols because I am sure that would just help these people be sure I belong to the wrong group.

Lying Is Exposed By Micro-Expressions We Can’t Control | Science Blog

Building on their research, Frank has identified and isolated specific and sometimes involuntary movements of the 44 human facial muscles linked to fear, distrust, distressand other emotions related to deception.