"The story you are about to see is true. The names have been changed to protect the innocent..."

7:13 p.m. We are coming out of a Burger King after picking up dinner. A careless citizen has left a 7-Up bottle dangerously positioned in the driveway. I pick it up.

"Joe, can you believe this?"

"What is it?"

"Someone left a full soda-pop in the driveway."

"Is it empty?"

"No. I can't understand why someone would leave their drink untouched like that, standing straight up."

"You'd better take a look."

"I don't know, Joe. Maybe we should have the Crime Lab check it out."

"I'm with you."

We stopped in at the crime lab. It was 7:23 pm.

"Well, what do you make of it?"

"Definitely less than 12 hours old."

"And...?"

"It's warm..."