PEOPLE v. TSARNAEV: The Exit Interview

How does a kid from Cambridge who went to good schools and had friends and teachers who loved him go on to commit the Boston Marathon bombings? Now that the trial of Dzhokhar Tsarnaev is over, reporter Adam Reilly sat down once again with WBZ's Jim Armstrong and Boston.com's Hilary Sargent to talk about their reflections on the case and the questions that remain unanswered.