The upward eye movement part was telling to me. I am sure that is what the BDO voodoo scientists are looking for based on recent experience. The last time I walked through a checkpoint, the TSO actually commented on the fact that I had made an upward eye role when he asked me something I did not hear (I had an elderly person with me and was making sure he had his documents with him, so I wasn´t paying much attention in a noisy area). Apparently I role my eyes up a lot (probably even more when going through annoying checkpoints with pointless "security" measures).

So they are trained to look eye rolls, which have been proven not to have any relationship with lying:

http://www.plosone.org/article/info%...l.pone.0040259