My 76-year-old mother begged me not to leave her alone with my 28-year-old son. Every night, he locked the door of his room, and every morning she seemed more terrified. But when I installed a hidden camera and saw what I was carrying to his room at 3 a.m., I IMMEDIATELY CALLED THE POLICE…

But Daniel came back.

“Everything okay?”

My mother immediately let go of my hand.

“Of course, honey.

That night he called me at 2:43 a.m.

His voice was barely audible.

“Margaret… he’s coming again.

-Who?

Daniel. Every night bring that black bag. It forces me to look at things I can’t bear to see.

“Mom, lock your door!”

I can’t. He has the key.

Then I heard a few steps.

“Grandma?” Are you talking to Mom?

The call was cut.

I drove immediately to his house.

When Daniel opened the door, he was wearing gloves.

“What happened?” I demanded to know.

Nothing, Mom. Grandma’s sleeping.

But behind him I could see a small black bag on the kitchen countertop.

And something else.

An envelope with my mother’s name and a handwritten warning: