The Zodiac Game

Mark Bagley lifted the old man's hip with one hand and pulled the bed pan out from under his ass with the other. After the half-filled human waste receptacle was freed, he placed it gently on a nearby wooden chair, then reached over to the night-stand and pulled out a few fresh wipes from a small plastic container. April fresh, Mark pulled up his pajama bottoms and tucked the blankets around him again.
"3:05," Mark said out loud, as he marked the time off on a small clip-board.
"You're getting...