EdenOne,
"Personally, I would like to see an experiment that scans the brain while the person is making a factual statement..."
You may find these articles interesting:
http://www.nature.com/news/2004/041129/full/news041129-1.html
http://news.usc.edu/22586/Liars-Brains-Wired-Differently/
http://news.usc.edu/22493/USC-study-shows-liars-brains-are-abnormal/