Crime | art heist Paris Heist Museum's Alarm Was On the Fritz System 'partially malfunctioning' since March By John Johnson Posted May 21, 2010 5:21 AM CDT Copied Police officers search for clues as they pack up the frames of the stolen paintings outside the Paris Museum of Modern Art. (AP Photo/Jacques Brinon) So how does a lone thief manage to steal five masterpieces from a museum? It doesn't help when the alarm isn't working. The mayor of Paris says one of the systems at the Museum of Modern Art had been "partially malfunctioning" since March, reports ABC News of Australia. The investigation continues into the $150 million heist of works by Picasso, Matisse, and others. Read These Next Multiple people have been shot at a Mormon church in Michigan. Dolly Parton has some bad news for fans. The latest mass shooting in the US took place from a boat. Skydivers leap from plane 2 minutes before fatal crash. Report an error