David W. Belin was an attorney for the Warren Commission and the Rockefeller Commission. Belin was a partner in a Des Moines, Iowa law firm and, with former NBC News president Michael Gartner, was co-owner of the 'The Tribune' in Ames, Iowa. Wikipedia*
On the C-SPAN Networks:
David Belin has two videos in the C-SPAN Video Library; the first appearance was a 1989 Forum as an Executive Director for the Commission on CIA Activities in U.S.. The year with the highest average number of views per program was 1992 with an average of 1,067 views per program.