When I was younger (4-7?, I'm 13 now), I used to believe that serial killers hid in your cereal box and jumped and killed you when you opened the box. So, after hearing the word 'serial killer', I refused to eat cereal for several weeks.
A childhood belief about criminals

others believed things like this
- I used to think serial killers killed cereal— YumYum
- when i was little i thought a serial killer was someone who killed people for their cereal— emily
- I used to think that serial killers were "cereal killers" and would kill you by poisoning you cereal.— Jello
- when I was younger I used to believe a serial killer lived in cereal boxes.— laura
- When I was younger, I thought a serial killer was a person who ate a ridiculous amount of cereal— Aja
- i used to believe that serial killers were going around killing all of the cereal— Tiffany