Every night my neighbor’s son flashed SOS from his window—until one message forced me to run across the street and uncover a terrifying truth.

arm, son. Just need to work on the mechanics.”

After a moment, he nodded.

“Thanks,” he said quietly.

Then he returned to the yard.

His next throw was noticeably smoother.

When he glanced toward me, I gave him a thumbs-up.

The Flashing Light

Less than a week later, things started getting strange.

One night I was sitting in my dark living room when I noticed continue reading …