They look like a simple heart. Or a butterfly. But the truth is, these symbols represent something much, much worse.
Etched into rings, jewellery, coins and shared across the internet, these symbols are reportedly “used by child sexual predators to promote their cause”.
When discovered, the FBI sent the symbols to police across the United States, before the symbols were published online by WikiLeaks.
Here’s a run-down of the four main symbols used by pedophiles to indicate their preferences.