The CSI unit engages in a final, lethal showdown with the Gig Harbor Killer , Paul Winthrop.
The lab utilizes a hyperspectral imaging prototype to analyze blood samples and "human conversation recovery from leaf vibrations" to track the killer—a plot point that drew mixed reactions from critics for its realism. Watch Csi s15e18 hdtv xvid-afg-1
Mark-Paul Gosselaar (Paul Winthrop), Mark Valley (Daniel Shaw), and Eric Roberts (Brother Daniel Larson). The CSI unit engages in a final, lethal
As the team closes in on Winthrop, his true motives and dark family secrets are finally revealed. Mark Valley (Daniel Shaw)