I thought crimes were a lot rarer than they actually were--for instance, if someone held up a gas station in Maine, it would be on the news all over the country, with pictures on TV and massive manhunts going on. When I read in a book that "there has been no crime in all of Mexico for five days" (because the criminals were all working together on a huge plot), I didn't see why that was such a big deal.
A childhood belief about criminals

others believed things like this
- when i was little, i thought that a con artist was a person that painted pictures of people commiting crimes— kimkim
- I used to think that blue was a natural hair color but it as very rare, even rarer than ginger.Anon
- back in the days i thought the world was black and white like in the pictures— compaq
- As a child i was under the impression that the huge power station chimneys were cloud makers.— scruffyoik
- I used to believe if you read a book in the dark, you would go blind.— Ellen
- I read in a book that if you ever swallowed toothbrush bristles then you would get appendicitus!— Amy