A Crime Scene Investigator (also referred to as a CSI or an investigator) is a criminalist who performs field work to collect and analyze evidence.
The following is a list of known CSIs, in the TV series set in Las Vegas, Miami and New York.
CSI Trainee[]
- None.
Level 1 CSIs[]
- Walter Simmons
- Beau Finado
- Chris Park
- Josh Folsom (formerly Level III)
Level 2 CSIs[]
Level 3 CSIs[]
- Horatio Caine
- Calleigh Duquesne
- Ryan Wolfe
- Eric Delko
- Sara Sidle
- Greg Sanders
- Nick Stokes
- D.B. Russell
- Mac Taylor
- Jo Danville
- Danny Messer
- Lindsay Monroe
- Allie Rajan
Alumni[]
- Gil Grissom - Level 3 CSI.
Deceased[]
- Tim Speedle - Level 3 CSI.
- Jesse Cardoza - Level 2 CSI.
- Warrick Brown - Level 3 CSI.
- Julie Finlay - Level 3 CSI.
- Aiden Burn - Level 2 CSI.
- Michael Keppler - Level 3 CSI.
- Holly Gribbs - CSI Trainee.
Other[]
- Megan Donner - Level 3 CSI/Resigned.
- Riley Adams - Level 2 CSI/Resigned.
- Raymond Langston - Level 2 CSI/Resigned.
- Catherine Willows- Level 3 CSI/Resigned.
- Stella Bonasera - Level 3 CSI/Resigned.