. >> kron four's philippe chagall explains how it all happened. >> long after the last visitors exited the contra costa county fair at the event park in antioch. police say 2 fair employees were tasked with taking the money collected from admissions fees to the bmo bank depository on summersville road to drop off the catch. they parked in the bank. lot at around monday morning as they were in the process opening a box. vehicle pulled up. suspect exited approach. the 2 victims >> the bag, which is a backpack full of cash. >> and their cell phones, antioch police investigations. lieutenant desmond bittner says the lone suspect was armed and pressed the gun into one of the victims backs were told the loss was a right around $88,000. so to be exact has 87,000, 800 and some change. the suspect left in a vehicle and has not been found. all we have and the suspect was a unknown race. male. we're in dark clothing and wearing a mask. we stopped by the administrative offices here at the event park with questions about the incident. but the ceo and manager job ringle declined to comment. it's unc