On the football field, Pat Tillman was known for his fierce tackles and unbridled spirit.
"Pat, as a football player, loved the roar of the crowd," best-selling author Jon Krakauer told Bob Woodruff in an exclusive interview earlier this month with ABC News. "He was a gregarious guy."
Off the gridiron, the Arizona Cardinals safety was a different man -- an unflinching patriot who died for his country in Afghanistan.
"It was sort of like there was the public Pat and the private Pat," Krakauer...Full Story