CNN Anderson Cooper 360 March 23, 2013 09:51:00
>> apparently there was a half hour between -- 20 minutes between when they tied us up and when they actually headed into the galleries to start doing it. i've seen a lot of people questioning well, what were they doing. i'm thinking they were probably waiting to see if i did press the panic button. they were probably waiting to see if the cops were going to show up. >> reporter: according to the fbi, nearly nine of every ten museum heists have an inside component. rick abeth, the guard who let the thieves in, was interrogated for days. he also took lie detector tests. he was never charged wit...