Pat Tillman's Mom Unconvinced

The NFL star was killed in Afghanistan by friendly fire, but his mother now tells Katie Couric the Army remains negligent and hasn't told her everything. The entire interview will air on 60 Minutes, Sunday, May 4th. 7 p.m. ET/PT.

CBS | May 2, 2008

Tags:. .afghanistan. .air. .army. .couric. .early