A 9/11 first responder is still changing lives 20 years after his death
This week marks 20 years since the passing of NYPD Det. James Zadroga. The 9/11 first responder died at the age of 34 from a respiratory disease attributed to toxic exposure from Ground Zero. As CBS News New York's Lisa Rozner reports, his illness is still changing the lives of hundreds of thousands of people connected to the tragedy.