Kobe Bryant's helicopter was flying in heavy fog before crash

Basketball legend Kobe Bryant, his 13-year-old daughter Gianna, and seven other people were killed Sunday when their helicopter crashed in California. Debris from the charred helicopter were scattered across the size of a football field. The helicopter was flying in fog that was so thick, the LAPD had grounded its helicopter fleet. Jonathan Vigliotti and Kris Van Cleave report on what we know about the crash investigation.