• Subscribe to the AG's RSS Feed
  • Join the AG's FaceBook
  • Follow the AG on Twitter
  • View the AG's YouTube Channel

Toolmark Comparison Criteria / Refresher

Class Code: 

Subject Area:

Class Location: 
California Criminalistics Institute / Sacramento or Los Angeles
Class Description: 

This 2 1/2 day (20 hour) course will provide students with a review of the concepts and rationale of identifying striated and non-striated impression evidence. Recent challenges and relevant court decisions will be discussed. Each student will verify their rational, objective basis for making such identifications. Although new examiners can profit from this training, this course is limited to firearm and toolmark examiners who have either completed CCI's E201 course or have had extensive training in the comparison of striated toolmarks and about approximately one year of actually comparing toolmarks. Each class is limited to 30 students.

John Murdock, Contra Costa County Sheriff's Office & Bruce Moran, Sacramento County DA's Office
Teaching Methods: 
Classroom lectures, demonstrations, group discussions, and practical laboratory exercises.
Students will be required to complete a series of practical exercises, and to explain the related concepts of toolmark identification and their rationale for the identification to the satisfaction of the instructors.
Must have been performing striated toolmark comparisons in casework for at least a year and be familiar with accepted standards of casework documention and common equipment and terminology used in that discipline. Completion of Firearms and Toolmarks Introduction I and II (E102 and E103) and Toolmark Comparison Criteria (E201) is strongly recommended.
Pre-course reading material may be assigned.
No cost to POST supported or State of California based Law Enforcement agencies. A $300.00 tuition fee will be required of all other public agency, private sector, or out-of-state applicants.

Course Contact:

Schedule of Classes:

No classes are scheduled at this time.

Back To Top

Megan's Law

California Registered Sex Offender Database

Search Now

Site Navigation

Translate Website

  • Google™ Translation Disclaimer

This Google™ translation feature is provided for informational purposes only.

The Office of the Attorney General is unable to guarantee the accuracy of this translation and is therefore not liable for any inaccurate information resulting from the translation application tool.

Please consult with a translator for accuracy if you are relying on the translation or are using this site for official business.

If you have any questions please contact:Bilingual Services Program at (916) 324-5482

A copy of this disclaimer can also be found on our Disclaimer page.

Select a Language Below / Seleccione el Idioma Abajo

Close this box or use the [ X ]