Oliver Barr McClellan, entrepreneur, counsel and author, born in 1939 in Cuero , Texas, became widely known by his 2003 book 'Blood, Money & Power' on the Kennedy assassination. He has also written on globalization. Wikipedia*
On the C-SPAN Networks:
Barr McClellan has one video in the C-SPAN Video Library; the first appearance was a 2003 Speech.