Dixon had dozed off in his seat in the waiting room outside Steven Gibbon’s hospital room. He knew the officers at the door would let him know if there was any change in Gibbon’s condition. So, after a quick call to his girlfriend to let her know he’d be home sometime tomorrow, he nodded off, sure that the hardest part of his day was over.

He was wrong.

At approximately 1:00 AM, there was a loud crash from the end of the hallway, which jarred him awake. It took him a moment to remember where he was. He looked at the guards questioningly, but they were just as puzzled as...