I used to believe that, if you did ANYTHING which was not allowed (for instance, if you touched something at a shop which had a "do not touch" sign), the police come to get you, and you'd spend a long time in jail just because of that.
A childhood belief about police

others believed things like this
- When I used to see the sign 'police accident' I thought it meant that a police car had crashed.Anon
- my mum told me when i was 11 if i swore the police would take me to jail. — tg in blue
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- When i was litttle i used to believe that if a had a long enough ladder a could touch the sky.— Sarah Howell
- I thought the song "Karma Police" was actually saying "call the police" before I learned the title— Alberto Richardson
- I thought the “Slippery When Wet” traffic sign was a car that had grown long bendy legs.Anon