Todd Kendhammer says his wife was killed in an accident -- a pipe flew off a truck and crashed into their car. Authorities say the scene was staged. "48 Hours" correspondent Erin Moriarty reports.
The 5 Freeway north of Los Angeles was closed for hours and a shelter-in-place order was issued to more than 19,000 residents in Castaic after a natural gas line ruptured on Saturday afternoon.
