It’s the largest art heist of all time and it happened right here in Boston. This Sunday marks 28 years since thieves crept into the Isabella Stewart Gardner Museum and stole $500 million worth of art. Although the past few years have brought us closer to solving the crime  — we’re still searching for answers. Jim Braude was joined by WGBH Arts Editor Jared Bowen and the Director of Security at the museum who has been investigating the case, Anthony Amore.