Ever since Amanda Knox was jailed in Italy for the murder of her roommate Meredith Kercher, she and her then-boyfriend Raffaele Sollecito have presented something of a united front. They have insisted they were both innocent victims of an unfair justice system. Now, in a new interview, in the wake of their second murder convictions, Sollecito says that he has lingering questions about Knox's behavior after Kercher’s killing. Deborah Feyerick reports.