Devils Familiar

An anonymous video camera is handed to police. Watching the footage, DCI Barker tells his CID team, This is the most bizarre and horrifying case Ive ever worked. The tape was shot by two university students investigating the infamous Ribbesford Woods Murdersan unsolved case steeped in conspiracy and legends of a mythical creature. Were the killings the work of a cold serial killer, or something far more monstrous?