[embedyt] https://www.youtube.com/watch?v=V52EBbDvVDc[/embedyt] Ding! I jolted awake. My phone lit up on the nightstand. It showed one new notification: Motion detected at your doorstep. 3:17 AM. My heart pounded as my fingers slipped across the screen. I clicked on the security camera video feed. A man stood on my doorstep. He stayed...