CSI: Crime Scene Investigation (2000)

S7E16 Monster in the Box

When Grissom opens a package delivered to him, he's stunned to discover a tiny crime scene inside. The situation grows even more baffling since the serial killer responsible for previous similar miniatures is already dead. Determined to analyze the miniature and locate the real-life setting, Grissom soon realizes that the depicted murder hasn’t occurred yet, but it seems imminent.