Silent Pact: The Eerie Bond of the Twins Who Refused to Speak to the World

June and Jennifer Gibbons were identical twins born in Wales who made a solemn pact as children: they would speak to no one but each other. They developed a secret language, mirrored each other's movements, and created a rich, disturbing fantasy world in their diaries. But their isolation turned toxic. "The Silent Pact" investigates the strange case of the "Silent Twins."

As they grew older, their bond became a trap. They committed petty crimes just to get a reaction from the world, leading ...