reporter carlos granda with our sister station in los angeles, looks at what it took to pull off theme. it sounds like a movie. >> millions in cash stolen from this secure building. from the air, you can see there appears to be a hole on the side that was boarded up, a pile of debris right next to it. it's still unclear if this is related to the robbery. we do know that thieves got in through the roof undetected without setting off alarms. the lapd confirms it is working on the case with the fbi. >> i think anybody who hears this story, the first thing they think of is this had to be an inside job. >> experts say the operation was sophisticated, and obviously carefully planned, and so the support system necessary to be able to get that kind of cash out there as well is pretty significant. >> and you can't do it with 1 or 2 people. and so the fact that it went undetected until uh- open a business monday morning again says just how professional they were. >> cash storage facilities like this one are used as a temporary stop when money has to be held and then moved along. they have very