AZDPS MOU 022626.PDF

Maricopa County — Formal (2026-03-25)

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MEMORANDUM OF UNDERSTANDING
Between the Arizona Department of Public Safety Crime Laboratory and
Maricopa County, by and through the Maricopa County Sheriff's Office 
I. Purpose
This Memorandum of Understanding (MOU) establishes a cooperative agreement between the 
Arizona Department of Public Safety (AZDPS) Crime Laboratory and Maricopa County, by 
and through the Maricopa County Sheriff's Office (MCSO) for the provision of verification and 
technical review assistance related to firearm casework comparisons that result in positive 
associations or exclusions based on individual characteristics. This agreement specifically 
excludes serial number restoration evidence.  
II. Scope of Services
1. Verification Services
An AZDPS Firearm Examiner will perform independent verifications of MCSO firearm
comparison casework that results in positive associations or exclusions.
o
Verifications will be performed on-site at the MCSO facility.
o
Visits will occur on a regular monthly basis, as the current volume (~24 cases
annually) indicates that one visit per month is sufficient.
o
All conclusions will be based on the policies and procedures set forth in MCSO’s
Scientific Analysis Division Operations Manual (Effective December 6, 2017,
Revised January 23, 2024), which have been previously reviewed by AZDPS.
o
Only comparisons based on individual characteristics are covered by this
agreement.
2. Technical Review
o
If AZDPS performs both the verification and technical review, the AZDPS
Examiner must verify, via documentation, that the current MCSO Firearm &
Toolmark (FATM) Examiner has been:
Appropriately trained 
Competency tested 
Authorized and competence monitored (e.g., proficiency tested) 
In compliance with current applicable accreditation standards, particularly 
if MCSO is not accredited in FATM.

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o
In such cases, AZDPS will document the technical review using the “Technical
Review of Outside Agency Casework” form.
The AZDPS Examiner will only rely on the MCSO’s FATM policies and 
procedures when conducting technical reviews. 
o
If AZDPS performs verification only, MCSO will be responsible for conducting
the technical review.
III. Responsibilities
AZDPS Crime Laboratory Shall: 
Provide a qualified Firearm Examiner to perform monthly on-site verifications. 
Conduct technical reviews when requested, contingent on verification of the MCSO 
examiner's training and qualifications. 
Maintain documentation of any technical reviews performed using the appropriate form 
provided by the Quality Assurance Unit. 
MCSO Shall:
Coordinate monthly on-site verification visits with AZDPS, including security clearance 
and on-site escorting. 
Provide all necessary casework documentation and evidence for verification but withhold 
all conclusions. 
Remain responsible for technical reviews if AZDPS does not perform them. 
Support efforts to validate examiner credentials as needed for AZDPS to complete 
technical reviews. 
IV. Duration
This MOU will remain in effect for eighteen (18) months from the date of the last signature or 
until MCSO hires and fully trains a new FATM examiner, whichever occurs first. 
V. Termination
Either party may terminate this MOU upon 30 days’ written notice to the other party. 
VI. General Provisions

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This MOU does not create any legally binding obligation, nor does it create a financial 
obligation or contract between the parties. 
Any amendments to this MOU must be in writing and agreed upon by both parties. 
VII. Agreement
The AZDPS and MCSO hereby agree to abide by the terms and conditions of this MOU, including 
all policies and procedures set forth by both entities. The terms and conditions of this MOU will 
be considered accepted in their entirety upon signature. 
________________ 
Date 
________________ 
Date 
_____________________________________ 
Colonel Jeffrey Glover – Director
Arizona Department of Public Safety 
2102 W. Encanto Boulevard    
Phoenix, AZ  85009 
____________________________________
Sheriff Jerry Sheridan  
Maricopa County Sheriff’s Office 
550 W. Jackson 
Phoenix, AZ  85003 
Maricopa County Board of Supervisors
________________________________________ 
Kate Brophy McGee,  
 
 
Date 
Chair of the Board
ATTEST:
________________________________________ 
Juanita Garza,  
 
 
 
Date 
Clerk of the Board 
IN ACCORDANCE WITH A.R.S. §11-952 THIS CONTRACT HAS BEEN REVIEWED BY THE UNDERSIGNED WHO HAS 
DETERMINED THAT THIS CONTRACT IS IN APPROPRIATE FORM AND WITHIN THE POWERS AND AUTHORITY 
GRANTED TO EACH RESPECTIVE PUBLIC BODY.
________________________________________
Deputy County Attorney 
Date