Lou Ford: I got a foot on both sides of the fence. They were put there early, and they stayed put. I can't move. I can't jump. All I can do is wait until I split, right down the middle.
Billy Boy Walker: A weed is a plant out of place. I find a hollyhock in my cornfield, and it's a weed. I find it in my yard, and it's a flower. You're in my yard.
Answer: They most certainly should have. Even a small amount would be detectable. This seems to be a "plot hole".
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