When the strange and horrific intrude on our lives, it can be hard to convince anyone that they really happened. It used to be that the worst things that would happen in a person’s life would stay private, things known only by a small group of friends—or, if the stories spread, urban legends that no one knew whether to believe.
But today, it’s different. Since the invention of the Internet, pictures and movies of strange and terrifying things have been going up online. Killers have posted their thoughts for everyone to see. And the world has been able to watch true horror stories play out in real time, right on their computer screen.