I thought a "cat burglar" was either a burglar who stole cats, or some kind of evil cat that burgled....wasn't quite sure if I could believe my mom when she told me what it actually meant.
A childhood belief about criminals

others believed things like this
- At the age of about 5, I thought that any man carrying a bag/sack over his shoulder was a burglar.— Police officer, Ola.
- From the ages of 4-10 (I'm 10) I thought a "Cat Burgler" was a person who stole cats.— MarkoPolo5000
- I used to beleieve (when VERY young; 12 actually!) that cat burglars stole cats!— Woody
- As a kid I thought dogs stupid but funny and that cats were evil demons. — Gemini
- I thought that "heck" was a less horrible version of hell for people who were only KIND OF evil.— Oizys
- When I was a little kid i thought cattle meant a group of cats— It's a group of cows and bulls!