After servicing one of my larger clients i pulled into Mcdonalds for some lunch. A car pulled right in front of my truck and 2 teenage kids a little younger than me got out and stood by their car. I went inside, and was in line, they came in a minute or so later. I was waiting for my order and i noticed they kept looking over at me, I got my food, went to the drink machine, and when i turned around they were both outside. One was standing near the door, the other was making his way to my trailer. I walked out, they immediately turned around, and walked away. I know without a doubt they would have tried to grab a hand helds or gas jugs.