All they need to do is take profit from 2 popcorns and two large drinks an hour to pay wages for a security patrol.
ain't that the truth.
in reality, the lost revenue from the people who have their cars broken into and swear they will NEVER go back there should be enough to entice them to pay for a guard.
LET THE MANAGER KNOW! He has no way of even being aware of the problem unless you tell him and then the more complaints he hears, the more likely he will be to hire someone.