How police rescued a kidnapped Philadelphia woman

Surveillance video captured the abduction of 22-year-old Carlesha Freeland-Gaither in Philadelphia. She was found alive today in Maryland and the suspect is in custody. Jean Casarez has the latest on the dramatic rescue and Freeland-Gaither's condition.

Philadelphia Police Commissioner Charles Ramsey tells Anderson that he credits surveillance video and tips from witnesses with helping investigators track the suspect as they travelled from Pennsylvania to Maryland.