One mother's harrowing escape from deadly Calif. wildfire

At least 631 people are missing in California's deadliest wildfire ever -- more than double the previous count, although the larger number may include survivors who safely fled. The Camp Fire has already killed at least 63 people, displaced 52,000 and wiped out nearly 10,000 homes. Reporting from Gridley, near Paradise, special correspondent Cat Wise shares one family’s harrowing story of escape.