Rick Walker spent 12 years in California prisons for a murder he didn't commit. In part 2 of this 2-part series, Walker talks about his life after prison, and film makers Gwen Essegian and Mark Ligon discuss their new documentary about Walker's fight to get restitution for the years he lost. Also, Lola Vollen, director of the Life After Exoneration project, on the plight of exonerees nationwide.