Caller tells of guilt after crashed car left for three days

Lamara Bell, 25, was critically injured in the crash off the M9 near Stirling on Sunday, July 5, and died in hospital on Sunday, while her partner, John Yuill, 28, died at the scene.
They were only found in the car on Wednesday, around 72 hours after the accident, despite the incident being reported to police on the day it happened.