From watching a lot of stupid kids shows that had this, I always thought that if you went to a store and tried to purchase something, but ended up not having enough money, that the clerk would call the cops who would come and arrest you. I believed that for years.
A childhood belief about police

others believed things like this
- I believed that numbers eventually just ended. That they stopped somewhere after 1000.— Jamis
- My mother used to call my behind "a paw paw" and for many years I refused to eat paw paws (papayas)— Garth
- When I was 10 years old, I used to believe that the accountants always counted money all the time.— Claudia P. R.G.
- I thought that serial killers had serial numbers like products did so the cops could identify them easier. — C
- I used to believe that undercover cops hid under covers/sheets. — Holly
- I used to believe that if you did not keep your shoes tied, that the police would arrest you.— Kelly