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
Level 2 CSIs
Level 3 CSIs
- Horatio_Caine
- Sara Sidle
- Greg Sanders
- Julie Finlay
- Nick Stokes
- D.B. Russell
- Mac Taylor
- Jo Danville
- Danny Messer
- Lindsay Monroe
Alumni
- Gil Grissom - Level 3 CSI.
Deceased
- Warrick Brown - Level 3 CSI.
- Tim Speedle- Level 3 CSI.
- Jesse Cardoza- Level 2 CSI.
- Aiden Burn- Level 2 CSI.
Other
- Riley Adams- Level 2 CSI/Resigned.
- Raymond Langston- Level 2 CSI/Resigned.
- Catherine Willows- Level 3 CSI/Resigned.
- Stella Bonasera- Level 3 CSI/Resigned.