CSI: In Extremis (Csi: Crime Scene Investigation)

A ruthless and expertly trained contract killer is on assignment in Nevadas remote Desert National Wildlife Range...and he deliberately sets in motion a series of seemingly unconnected events that will soon test the skills of Gil Grissom and his team of CSIs -- Catherine Willows Nick Stokes Warrick Brown Sara Sidle and Greg Sanders -- to their limit. For all is not as it appears in this federal refuge as law enforcement and lawbreakers alike are quickly caught up in a growing crime scene that leads to a deadly game of one-upmanship....