Italy's most-wanted Mafia boss Matteo Messina Denaro arrested in Sicily
ROME, Jan 16 (Reuters) - Italian investigators knew a lot of things about mafia boss Matteo Messina Denaro.
He liked wearing designer clothes, expensive sun glasses and Rolex watches, he loved video games and had a taste for luxury foods. He was also a ruthless killer who once claimed to have murdered enough people to fill a cemetery.
What they didn't kno…