There was an abandoned house across from my apartment.

Nobody had lived there for years.

Every night, however, one window was lit.

I thought it was strange, but I never paid much attention.

Until I saw someone standing behind the curtain.

It was a little boy.

He waved at me.

I waved back.

The next night, he was there again.

This time, he held a piece of paper against the window.

It said:

HELP ME.

I called the police.

When they