911 caller doesn't believe 6-year-old boy with autism was ever at park where he went missing

The father of a missing 6-year-old boy with autism says his son ran away from him in a park last Saturday in North Carolina and he couldn't catch him. The FBI and over 300 officers are searching the more than 240-acre park, including a lake.Investigators say they need more people who were at Rankin Lake Park last weekend to come forward. Maddox's father Ian Ritch was the last person to see him while walking with him and his girlfriend.Police released the 911 call Wednesday that was made nearly a