"Instead they perform a mock trial of God for allowing the massacre. The verdict is innocent, after a stirring lone defence by a stranger who, in a twist, is revealed to be the Devil." - That sounds like an episode of the twilight zone! Intriguing!
Related: In 1971 a prison inmate filed a lawsuit against "Satan and his staff"; the judge threw out the case on several procedural grounds, among which was that the plaintiff had not provided instructions to the U.S. Marshals Service on how to effect service of process on the defendant.