Emily Jones was just seven years old when she was killed in the most horrifying way imaginable.
It was Mother's Day, the day before the UK was plunged into its first coronavirus lockdown, and Emily's dad Mark had taken his daughter to Queens Park, in Bolton, to meet her mother.
As he watched Emily race along the park's sloping paths on her scooter, Mark could never have imagined the horror that was about to unfold before his eyes.