June 14, 2011 (La Mesa) -- La Mesa Police Department responded to a call of a robbery at the Zales Jewelry Store in Grossmont Center shopping mall at 8:17 p.m.  The store’s manager advised that he had just closed the business and was locking the doors, with one customer still in the store. The customer pulled out a black semi-auto handgun and pointed it at the manager, ordering the manager and another employee to get on the ground.