“He was a champion.” Atlas, an NYPD K-9, was among the hundreds of 9/11 dogs who served in search and recovery efforts for months after the terror attacks. 20 years later, Atlas’ handler Bob Schnelle tells CBS News how the dog endured at ground zero — and literally saved his life. | CBS News

Rest in Peace: Firefighter Daniel Foley pulled his brother's body from the rubble at Ground Zero. He went back every day after the attack to aid in recovery efforts. Foley died Saturday of 9/11-related cancer. | PIX11