"Free, But Not Really Free"
Clip: Season 29 Episode 16 | 1m 19s
Fifteen years ago, Shirley Ree Smith was convicted of shaking her grandson to death, but the facts were murky and she always maintained she's innocent. Her conviction was overturned, but then reinstated by the U.S. Supreme Court. She tells FRONTLINE correspondent A.C. Thompson what it's like to live in legal limbo.