How did Robert Mang get caught for stealing Cellini’s priceless saltcellar? “After holding the Cellini masterpiece, valued at roughly $60 million, for nearly three years and making two attempts to collect about $12 million in ransom, Mr. Mang was identified as the culprit late last week. On Friday, the police had circulated security camera images of him buying a cellphone that he used to send a text message.”