Truth: Red, White & Black #7

Faith Bradley tells Captain America that despite Isaiah Bradley's successful mission and escape from enemy lines, he was convicted of stealing the Captain America uniform and spent 17 years in solitary confinement at Leavenworth. He yet lives, but the combined effect of harsh treatment and the experimental super soldier serum have left him in a child-like mental state. Captain America expresses his grief for what the family has suffered (unbeknownst to him, but putatively in his name), and returns the uniform to Isaiah Bradley.