"I got down from the car, walked several feet away from it. I was staring out at the view, lost in thought, while my family waited in the car." Tann's voice was shaky and his body stiff, as though reliving the traumatic experience all over again. "And then, the big truck started for them."

My heart sank as I realized the magnitude of what he was saying. "Oh no...!" I cried out, tears starting to fill my eyes.

"I didn't see the truck on time, but when I turned and saw it, it was ...