CSI Crime Scene Investigation

The case of a cyber killer, who appears to be targeting medical healthcare workers, turns personal when the suspect invokes the name of Mac's father who had died nearly two decades earlier.

When two bodies are discovered at the North and South ends of the city, Mac and the team deftly begin to navigate the trail of evidence left behind by the killer.

A man is found stabbed and handcuffed in a hotel room; a prank at the lab threatens an investigation and causes a rift in the team.