It was a $600,000 smash-and-grab in the middle of a Sunday afternoon.
Four men rolled up to a Northern Virginia jewelry store at around 3:30 p.m. on Sept. 27, broke through the front door and emptied display cases while one of them held an employee at gunpoint, according to Fairfax County Police.
The crew arrived at the Brookfield Plaza shopping center in Springfield together in a black Acura sedan…