Kiera Barrow was just 5-months-old when her father Lamar Johnson was locked up for a crime he didn't commit. After a nearly three-decade legal battle Johnson was exonerated. He walked out of a St. Louis, Missouri, courthouse as a free man on Feb. 14, 2023, Valentine's Day. Johnson's exoneration came at a very meaningful time for his youngest daughter. "I'm getting married in April of this year," Barrow told "48 Hours" correspondent Erin Moriarty through tears. "It would just mean so much to me … for him to be able to give me away." Barrow got her wish. On April 21,...