Security in the malls are a joke. But the whole situation will be sorted out. How the burglary was conducted and who did it.
As to whether the person is going to be caught, thats another matter all together. Security guards might have seen him carrying some big suitcases out of the shop but probably did not stop to check, him being a staff at the shop and all.
A heist like this cannot be executed as a one-man operation. He got help and I would say very good help indeed. Lets see how long before he's caught, if ever at all.
Cheers