The disappearance of Madeleine McCann is still something that baffles police and experts, however, the details to her going missing could lie with one elusive paedophile.

Roderick MacDonald is a serial offender of paedophilia, being convicted of underage sex crimes five times in more than one country. He is infamous among the authorities and was recently picked up on the tiny island of Gozo off Malta where he had been living secretly for at least six months.

When he is returned to England, likely over the weekend, authorities hope to question him about the disappearance of Madeleine McCann, the British youngster who disappeared from her parents’ holiday villa in the Algarve Portugal in 2007.

MacDonald is believed to have been living in a campground in Portugal when McCann disappeared.  British and Portuguese detectives believe he may have been involved with or have important information about a known pedophile ring that operated in the area at the time.  He is not considered a formal suspect in the case—at least not yet.

Check out the full story on The Daily Beast.