The 'Devil's Knot' is based on a true story about the West Memphis Three. These three men were wrongly convicted of the murders of three young boys in Arkansas. The case was full of misinformation, false accusations, and flaws in the investigation. The story shows how the justice system can go wrong and the long fight for justice by the wrongly accused and their supporters.
Devil's Knot is indeed based on a true story. It delves into actual incidents and the people involved, presenting a fictionalized account of those events.
The main characters in the 'Devil's Knot' true story are the three men known as the West Memphis Three: Damien Echols, Jessie Misskelley, and Jason Baldwin. They were wrongly accused of the murders.