it was getting dark by the time they left the shopping center walking the same route tricia would likely have taken. >> we were maybe halfway up the road when healther turned to me and said did you happen to notice that brown van? and i said, no. >> then the van passed again, slowly. >> we still weren't alarmed. he came by again a third time. really slow this time looking at us. the hair on the back of her neck started to stand up. >> the van pulled up beside them. >> how close? show me. >> his wheels were on the side of the curb. this was me. this was heather. he leaned over. started to say something and at that point we're both like, run, just run. the girls called security describing a two-tone van driven by a man with mutton chop side