If the mobile phone image had been taken just a few inches to the side, Robert Hart's killer might now be sitting in jail. Instead, almost 10 years on, no-one has ever been brought to justice.
Agonisingly detectives believe this picture, taken in the crowd at Parklife on June 7, 2014, just before Snoop Dogg began his headline slot on the main stage, was just 'one frame away' from capturing the face of the man who moments later would throw the punch that ended 26-year-old Robert's young life.
The Manchester City fan, from Macclesfield, died in hospital four days later. He suffered a fatal head injury after being punched once in the face after he stepped in to protect his girlfriend Gemma Parry, who was being hit by an inflatable doll at the Heaton Park music festival. READ NEXT: Dad 'stabbed' by teen pictured wearing balaclava and holding knife days before, trial hears Giving evidence at the inquest in 2015, Gemma described how she tried to get in between Robert and the man who punched him.
She said: "I fell to the floor in the mud and then saw Rob hit the floor. "He was lying on his back looking up at the sky. I was screaming.
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