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
- Paul Millander - Organized
- John Himmel - Organized
- Susan Hillridge - Organized
- Syd Booth Goggle - Organized
- Stuart Gardner - Organized
- Kevin Greer - Organized
- Arthur Blisterman - Organized
- Gordon Daimler - Organized
- Tom Cooley - Organized
- Natalie Davis - Organized
- Dimitri Sadesky - Organized
- Daniel Pritchard - Organized
- CASt - Organized
- Sqweegel (character) - Organized
- Esteban Fellipe - Organized
- Ellen Whitebridge - Organized
- Terry Lee Wicker - Mixed
- Nate Haskell - Organized
- Thomas Donover - Organized
- Jason McCann - Organized
- Charlie DiMasa - Organized
- David Lowry - Organized
- Gina Sinclair - Organized
- Alisa Santiago - Disorganized
- Cathrine Hill - Organized
- Sam Vega - Organized
- Bill Ryan - Organized
CSI: Miami
- Stewart Otis - Organized
- Henry Darius - Organized
- Walter Resden - Organized
- Lucas Wade - Organized
- Jack Toller - Organized
- Esteban Navarro - Organized
CSI: NY
- Shane Casey - Organized
- Suspect X - Organized
- The Cabbie Killer - Organized
- Casey Steele - Organized
- Clay Dobson - Organized
- Hollis Eckhart - Organized
- Marty Pino - Disorganized
- Dominik Janos - Organized
- Steve Davis - Organized
Known Budding Serial Killers in the CSI Franchise
CSI: Crime Scene Investigation
- Hayden Michaels - Organized
- Nigel Crane - Mixed
- The Wedding Robbers
- Ronald Basderic Organized
- Richard McQueen - Disorganized
CSI: Miami
- Bob Starling - Organized
- Zach Finley and Justin Porter - Mixed
- Nicholas Pike - Organized
CSI: NY
- D.J. Pratt - Organized
- David Oka - Disorganized