in the suspicious letter sent to the white house. the envelope held some kind of milky substance held in a container in a plastic bag. preliminary testing tests positive for cyanide. more testing is under way. tonight we look at how the thieves stole from a museum in boston. we asked the $500 million question who pulled off the greatest art heist in history? in a cnn special report. here a quick preview. i d like to say it is boston s last best secret. reporter: who stole the 13 works of art from the isabella stuart gardner museum and where are they now? it is a question that continues to puzzle me summuseum security director anthony moret? there were lots of quirky
container in a plastic bag. preliminary testing tests positive for cyanide. more testing is under way. on st. patrick s day in 1913 priceless works of art disappear ed disappeared in boston. we will look at how they the did it and how the works of art have eluded police for decades. we will look at who pulled off the greatest art heist in history. here is a quick preview. i d like to say it is boston s last best secret. reporter: who stole the 13 works of art from the isabella stuart gardner museum and where are they now? it is a question that continues to puzzle me museum security director anthony amore. there were lots of quirky things about it. every time you turn around there is a different interesting fact
ends sunday. superior service, best selection, lowest price, guaranteed. sleep train your ticket to a better night s sleep welcome back. in crime and punishment, 23 years ago this week, the biggest art heist in history went down in boston s isabella stuart gardner museum. thieves dressed as police officers made off with 13 pieces
Transcripts for CNN Anderson Cooper 360 20130322 05:41:45 archive.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from archive.org Daily Mail and Mail on Sunday newspapers.
in boston s isabella stuart gardner museum. thieves dressed as police officers made off with 13 pieces of art worth an estimated half billion dollars. it s an absolutely fascinating story filled with mystery and intrigue and it s the subject of a special report we re going to be airing tomorrow night. last night we took you inside the heist with an exclusive interview with a night watchman who actually let the thieves into the museum. tonight we re digging deeper into the whodunit aspect. over the years everyone from museum employees to notorious gangsters have been considered suspects. randi kaye picks up the investigation. i d like to say it is boston s last best secret. reporter: boston s last best secret. who stole the 13 works of art from the isabela stuart gardner museum and where are they now? it is a question that continues to puzzle museum security director, anthony amore. what is it about this case that