The theft of four paintings by Renaissance master Antonello da Messina from a Sicilian museum has prompted suspicions of mafia involvement, given the startling speed and ease of the high-stakes crime, Italian authorities said on Monday. “It’s a very, very strange affair,” Messina’s top culture official, Enzo Caruso, told Reuters , detailing the troubling circumstances: The thieves broke into the Regional Museum of Messina on the night of August 15, bypassed the museum’s alarm system, broke into security display boxes, and fled the scene with the three of five surviving panels that composed the altarpiece Polittico di San Gregorio, and a fourth, smaller painting, within a matter of minutes. It’s difficult to conceive how this is possible, he said, without intimate knowledge of the museum’s layout. Renato Schifani, the president of Sicily, has since confirmed that the museum’s video surveillance system and alarm were functioning pro...