That's scary :(

I lived in an old house for 3 months once, problem was, it could be locked from outside. Weird, I know. Even weirder was that there was a knock and next thing I knew, I was locked in :(
Of course I used the other door, but it was unnerving. Why do people do these things? :/

I hope your neighbor doesn't have cameras all over your house, like in creepy movies.
*Shudder*