When Calvin Duncan spoke last month to a group of teen students in a New Orleans courtroom, he offered a seemingly modest regret from his youth.
“First, don’t make the mistake I made when I was 14, shoplifting for clothes,” said Duncan, 62. “That ruined my life.”
It wasn’t the crime so much as the mugshot. Five years later, it led authorities to pluck Duncan, then 19, from a Job Corps program in the mountains of Oregon and haul him back to New Orleans to face a capital murder charge…