"Leave a handprint," The first man directed.

"Why on earth would we do that?"

"You know - a calling card type thing."

The woman, tall and slick in her protective suit, brought her gloved hand to the wall above the body. Once she withdrew her hand, a dark red print was left. It dripped with the blood of the man lying below.

"Awesome," Someone muttered in a voice that suggested this was all a sick v...