Why is new ITV Peter Sutcliffe drama called The Long Shadow? Why did they change the name?

All the soap stars starring in The Long Shadow, including Emmerdale’s Sammy Winward as Peter Sutcliffe’s wife

The real life people behind The Long Shadow: Who plays who in chilling ITV drama based on true events?

Meet The Long Shadow cast in ITV's Peter Sutcliffe drama and their real life character