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
- The Bath Tub Killer
- The Vigilante
- The Mannekiller
- The Strip Strangler
- Gordon Daimler
- Tom Cooley
- The Miniature Killer
- Dimitri Sadesky
- Daniel Pritchard
- John Himmel
- CASt
- Sqweegel (character)
- The Southwest Stalker
- Ellen Whitebridge
- Terry Lee Wicker
- The Dick and Jane Killer
- Thomas Donover
- Susan Hillridge
- Jason McCann
- Dr. Jekyll
- David Lowry
- Gina Sinclair
- Alisa Santiago
- Katy Hill
- Sam Vega
- The Shear Stalker
- Shane Casey
- Suspect X
- The Cabbie Killer
- Casey Steele
- Clay Dobson
- The Compass Killer
- Marty Pino
- Dominik Janos
- Steve Davis
Budding Serial Killers in the CSI Franchise
CSI: Crime Scene Investigation