The story

Omar Khadr begged them to do it.

"Kill me," he said. "Please, kill me."

The men looming over the bullet-riddled 15-year-old were stunned. How was he still alive? The Special Forces unit had fired several rounds into him, shooting where a grenade had been thrown that mortally wounded their medic, Sgt. 1st Class Christopher Speer. Read full article »

CNN's Caitlin Stark and Pam Benson contributed to this report.

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