Erin Moriarty on what we owe to the wrongfully convicted

"48 Hours" correspondent Erin Moriarty talked with author John Grisham about the trials endured by America's all-too-many falsely-accused, even after they're freed. She has more thoughts about that in our commentary:

You've watched scenes play out like this over and over again: a wrongfully convicted person, tearfully embraced by family members, walking free after spending years behind bars.