The world's greatest art thief collects almost two-billion dollars in masters only to have his mother burn them all in the family backyard. The world's greatest art thief collects almost two-billion dollars in masters only to have his mother burn them all in the family backyard. The world's greatest art thief collects almost two-billion dollars in masters only to have his mother burn them all in the family backyard. The world's greatest art thief collects almost two-billion dollars in masters only to have his mother burn them all in the family backyard.