When Matteo Messina Denaro died in 2023, many of his secrets died with him. That began to change with a tip about a wealthy Sicilian woman's significant assets in a tiny European principality. A tip from the authorities in Andorra about a suspiciously wealthy Sicilian woman in their midst helped investigators solve an enduring mystery about one of Italy's most notorious mobsters, known for his blood lust and business savvy.

The story centers on Italy, Matteo Messina Denaro, Sicilian Mafia, and Mafia. It has drawn coverage across roughly 113 reports so far.