A serial killer is a person who murders three or more people with a "cooling off" period between each murder and whose motivation for killing is largely based on psychological gratification.
Known Serial Killers in the CSI Franchise
CSI: Crime Scene Investigation
- The Blue Paint Killer
- Paul Millander
- The Strip Strangler
- The Miniature Killer
- Dr. Jekyll
- Dr. David Lowry
- The Cabbie Killer
- Clay Dobson
- The Compass Killer
- Michael Prescott