Filing for divorce

John was in disbelief. He had been wondering about several things, but what he saw there on school grounds made him wonder even more. Following the clues he uncovered on school grounds, he knew he had to take drastic action and file for divorce. But was Caroline imagining her twin sister? What did John witness on the school grounds, and how did he react to the disturbing evidence he uncovered? What was the gravity of the evidence, and why a divorce paper?