It’s the May half-term school holiday, and the first warm day of the year has drawn a few children to the River Swain for a swim. When one boy chases another off the path that runs alongside Hindswell Woods, a glimpse of orange through the trees tempts them into the shadows. Moments later, their high spirits vanish in an instant, for there, to their shock (and ghoulish fascination), they find a man in a brightly coloured shirt hanging from a branch by a rope around his