My family (parents + brother) and I are heading over to a garage, to ask the mechanic to take a look at the car or something like that. My brother is driving and I'm riding shotgun. My parents are on the back. We enter a covered parking lot and park. There's another car moving nearby, but we give it no attention. We start heading towards an inner office, away from the entrance. Three men walk past us. One of them is hunching strangely, and I notice he's trailing a bread knife on the floor, behind him. I discreetly call my parents and brothers and tell them we have to go. Apparently, the three men were going to try and rob us, and possibly kill us. We head back to the car, and sure enough, the car we saw moving before was now blocking our path. My brother manages to drive past it, and we all escape. Mom then says about how the mechanic (he was referred to by name, and I pictured him as a man in his late 40s, with white hair) had been slowly collecting information about us and the car. Apparently, since we had brought the car there two times before, he had collected two vital pieces of information about some kind of documentation related to the car. That allowed him to trick us more easily, and even track us down. We had escaped for now, but were worried.