FINAL - MCSO-USSS MOU - AS OF 1-9-2026.PDF

Page 1 of 10 
MEMORANDUM OF UNDERSTANDING 
Controlled Unclassified Information (CUI) 
May contain law enforcement sensitive (5 U.S.C. § 552 (b)(7)) and/or other protected 
information. 
Updated 06.2025 (INV/CID) 
 
 
BETWEEN 
THE MARICOPA COUNTY SHERIFF'S OFFICE 
AND 
THE UNITED STATES SECRET SERVICE 
 
The Maricopa County Sheriff’s Office and the United States Secret Service (Secret Service) enter into this 
Memorandum Of Understanding (MOU), which becomes effective with the signatures of both parties and 
remains in effect until terminated by the mutual agreement of the Maricopa County Sheriff’s Office and the 
Secret Service or upon 30 day written notice by either party to this agreement. 
I. 
AUTHORITY 
 
This MOU is established pursuant to Title 18, United States Code, Section 3056 and provisions of Public Law 
107-56, Title I, Section 105, the Uniting and Strengthening of America by Providing Appropriate Tools 
Required to Intercept and Obstruct Terrorism (USA PATRIOT) Act of 200 I. This act directed the Secret 
Service to take appropriate actions to expand the national network of Electronic Crimes Task Forces (ECTF) 
throughout the United States. The Secret Service has since consolidated its Financial Crimes Task Forces 
with its ECTFs, renaming the consolidated task forces as its Cyber Fraud Task Forces (CFTFs). 
This MOU is also established pursuant to provisions of the Treasury Forfeiture Fund Act of 1992, 31 U.S.C. § 
9705, as amended. This act established the Department of the Treasury Forfeiture Fund and authorized the 
payment of certain overtime expenditures, travel, fuel, training, equipment and other similar costs of State and 
Local law enforcement officers, that are involved in joint operations, with a Department of the Treasury law 
enforcement organization, as prescribed in 31 U.S.C. § 9705 (a)(l)(I)(hereinafter “overtime costs and other 
expenses”. 
II. 
PURPOSE 
 
This MOU establishes the procedures and responsibilities of both the Maricopa County Sheriff’s Office and the 
Secret Service for: 
(a) Information handling procedures. 
 
(b) Secret Service Digital Evidence Forensic Laboratory (DEFL) Forensic Partners. 
 
 
(c) Reimbursement of certain overtime costs and other expenses pursuant to 31 U.S.C. § 9705. 
(d) Deputation of law enforcement officers as Secret Service Task Force Officers 
(TFOs). 
(e) Access to Secret Service systems and/or unescorted access to Secret Service facilities.

Page 2 of 10 
MEMORANDUM OF UNDERSTANDING 
Controlled Unclassified Information (CUI) 
May contain law enforcement sensitive (5 U.S.C. § 552 (b)(7)) and/or other protected 
information. 
Updated 06.2025 (INV/CID) 
 
 
III. 
DEFINITIONS 
(i) CFTFs are a partnership between the Secret Service and its members from private industry, State, 
local, tribal, and territorial (SLTT) and Federal law enforcement agencies, Federal and State 
prosecutors, and academia. The mission of the CFTFs is to prevent, detect, and mitigate complex 
cyber-enabled financial crimes, with the goal of arresting and convicting the most harmful 
perpetrators. CFTFs effectively leverage the collective expertise of a range of key stakeholders 
necessary to combat cybercrime. 
(ii) Digital Evidence Forensic Labs (DEFLs) are access controlled spaces within Secret Service field 
offices, where Secret Service Digital Forensics (DF) and partner examiners conduct forensic 
examinations and acquisitions of digital devices to be used for evidentiary purposes. 
(iii) Task Force Members (TFMs), both law enforcement and non-law enforcement personnel, are 
assigned to Secret Service CFTFs and/or DEFLs. TFMs participate in Secret Service CFTF 
investigative and outreach activities. 
(iv) Task Force Officers (TFOs) are law enforcement personnel assigned to Secret Service CFTFs and/or 
DEFLs. TFOs are certified law enforcement officers deputized by the United States Marshals 
Service (USMS) who are authorized to carry a firearm, have Secret Service issued Federal law 
enforcement credentials, and are authorized to perform federal law enforcement functions only as 
outlined in 18 United States Code (U.S.C.) § 3056, Powers, authorities, and duties of United States 
Secret Service. TFOs are assigned to a Secret Service CFTF supervisor and are subject to Maricopa 
County Sheriff’s Office Use of Force policies. 
(v) Task Force Participants (TFP) are representatives of academia who participate in joint projects (e.g., 
research and development) with Secret Service CFTFs, or private sector companies who participate 
in information sharing (e.g., tactics, techniques, and procedures, and other cybersecurity 
communications) with Secret Service CFTFs. 
(vi) Forensic Partners are law enforcement agency TFMs or TFOs who are either trained and equipped 
by the National Computer Forensics Institute (NCFI) or equivalent. Forensic Partners are assigned 
to Secret Service to DEFLs and use Secret Service tools and resources. 
(vii) Federal Investigative Standards (FIS) established requirements for conducting background 
investigations to determine eligibility for logical and physical access, suitability for U.S. Government 
employment, fitness to perform work for, or on behalf of, the U.S. Government as a contract 
employee, and eligibility for access to classified information or to hold a sensitive position. FIS are 
governed by the U.S. Office of Personnel Management, Federal Investigative Services, and 
adjudicated by the Secret Service, Office of Security, Chief Security Officer. Further reference can be 
found on 
https://www.dhs.gov/sites/default/files/publications/personnel_security_contractor_fitness_fact_sheet
_new.pdf.

Page 3 of 10 
MEMORANDUM OF UNDERSTANDING 
Controlled Unclassified Information (CUI) 
May contain law enforcement sensitive (5 U.S.C. § 552 (b)(7)) and/or other protected 
information. 
Updated 06.2025 (]NV/CID) 
 
 
IV. 
CONDITIONS AND PROCEDURES 
 
The parties agree to the following conditions: 
(a) Information Handling Procedures 
(i) Information will be provided by the Secret Service to Maricopa County Sheriff’s Office in a 
manner consistent with the Privacy Act (5 U.S.C. § 552a) and applicable regulations and 
policies. Personally Identifiable Information (PII) contained in records covered by a system of 
records should be handled in accordance with published Privacy Act routine uses. Information in 
the Criminal Investigative Information System of Records is authorized, amongst other routine 
uses, for disclosure to: 
- 
Personnel assigned to Federal, SLTT, international or foreign law enforcement agencies for 
the purpose of developing a criminal or civil investigation. 
- 
Employees and officials of financial and commercial business firms, and private individuals, 
where such disclosure is considered reasonably necessary for the purpose of furthering 
Secret Service efforts to investigate the activities of and apprehend criminal offenders and 
suspected criminal offenders. 
(ii) Information provided by the Maricopa County Sheriff’s Office to the Secret Service may become 
a federal record subject to the Privacy Act and the Freedom oflnformation Act. 
(b) DEFL Forensic Partner Status (TFO and TFM) 
Law enforcement agency personnel assigned to Secret Service DEFLs may be eligible to receive a 
Forensic Partner status. The Forensic Partner status is granted by the Secret Service to authorize 
TFOs or TFMs to use Secret Service DEFL tools and resources and to perform digital forensics on 
behalf of the Secret Service and on behalf of their law enforcement agency. 
Forensic Partners are assigned to a Secret Service DEFL supervisor. Forensic Partners and are 
subject to Secret Service Digital Forensics (DF), Evidence, Court Testimony, and other policies 
and procedures applicable to the Secret Service DEFL, when conducting exams in the Secret 
Service DEFL or using Secret Service tools and other applicable policies. 
To receive a Secret Service Forensic Partner status, an employee of the Maricopa County Sheriff’s 
Office must:   
(i) Be available for a period of three (3) years to assist the Secret Service in the event of a large-
scale cyber incident targeting Critical Infrastructure within their state. 
(ii) Be able to assist the Secret Service with digital forensics examinations when requested by the 
DEFL supervisor.

Page 4 of 10 
MEMORANDUM OF UNDERSTANDING 
Controlled Unclassified Information (CUI) 
May contain law enforcement sensitive (5 U.S.C. § 552 (b)(7)) and/or other protected 
information. 
Updated 06.2025 (INV/CID) 
 
 
(c) Reimbursement of Overtime and Other Expenses 
(i) The Maricopa County Sheriff’s Office may request reimbursement of payment of overtime costs 
and other expenses directly related to work performed by its employee(s) assigned to assist the 
Secret Service CFTF in conducting official investigations. The Maricopa County Sheriff’s 
Office will submit all requests for reimbursement payments, together with appropriate 
documentation, to the Secret Service CFTF supervisor. Request for reimbursement will be based 
solely upon overtime worked and other expenses performed on behalf of the Secret Service 
CFTF. 
(ii) All reimbursement hours of overtime costs and all other expenses covered under this MOU 
must be approved and certified by the Secret Service CFTF supervisor. The reimbursable 
overtime payments will be based upon the actual hourly overtime rate, exclusive of matching 
employer contributions for any taxes or benefits. 
(iii) The Secret Service CFTF supervisor will forward all approved reimbursement requests through 
the Special Agent in Charge (SAIC) of the Criminal Investigative Division, Office of Field 
Operations, to the Treasury Forfeiture Fund's payment agent, the U.S. Customs National 
Finance Center (NFC). 
(iv) During the period of assignment to the Secret Service CFTF, the Maricopa County Sheriff’s 
Office will remain responsible for establishing the salary and benefits, including overtime of the 
employee(s) assigned to the CFTF and making all payments due to them. Reimbursement under 
this MOU is contingent upon the availability of mandatory funds allocated to the Secret Service 
through the Department of the Treasury Forfeiture Fund. 
(v) The Maricopa County Sheriff’s Office shall permit and have readily available for examination 
and auditing by the Secret Service, the U.S. Department of Treasury, the Comptroller of the 
United States, and any of their duly authorized agents and representatives, any and all records, 
documents, accounts, invoices, receipts, or expenditures relating to this agreement. They shall 
maintain all such records and reports until all audits and examinations are completed and 
resolved, or for a period of three (3) years, whichever is sooner. 
(vi) Payments may be made to the extent they are included in the Secret Service Fiscal Year Plan and 
the monies are available within the Department of Treasury Forfeiture Fund to satisfy the 
request(s) for reimbursable expenses. It should also be understood that the total amount(s) made 
available to the Secret Service through the Department of the Treasury Forfeiture Fund, for 
reimbursement to the Maricopa County Sheriff’s Office, could change at any time. 
(vii) Pursuant to the Treasury Executive Office for Asset Forfeiture (TEOAF) directive number 18, 
the maximum reimbursement entitlement for overtime costs to any one law enforcement official 
cannot exceed fifteen thousand ($15,000.00) dollars during the fiscal year.

Page 5 of 10 
MEMORANDUM OF UNDERSTANDING 
Controlled Unclassified Information (CUI) 
May contain law enforcement sensitive (5 U.S.C. § 552 (b)(7)) and/or other protected 
information. 
Updated 06.2025 (INV/CID)· 
 
 
(viii) This document does not obligate funds. Funding authority will be provided through other 
documents. 
(ix) The Maricopa County Sheriff’s Office shall provide the Secret Service within 10 days of the 
signing of this MOU, with their agency's mailing address, contact name, telephone number and tax 
identification number. Further, this agency must provide the name, account number and ABA 
routing number of the financial institution where the Maricopa County Sheriff’s Office wants the 
Electronic Funds transfer (EFT) payment deposited for the reimbursement of overtime salary costs. 
Failure to provide this information within the prescribed period of time will nullify this MOU 
agreement. 
(d) Special Deputy Status (TFO) 
SLTT law enforcement personnel assigned to Secret Service CFTFs and/or DEFLs may be eligible to 
receive a Special Deputy status. The Special Deputy status is sponsored by the Secret Service and 
granted by the USMS to authorize TFOs to carry a firearm, have Secret Service issued Federal law 
enforcement credentials, and to perform federal law enforcement functions on behalf of the Secret 
Service and only as outlined in 18 U.S.C. § 3056. 
TFOs are assigned to a Secret Service CFTF supervisor and are subject to Maricopa County Sheriff’s 
Office Use of Force and other applicable policies. 
To receive Special Deputy status as a Secret Service CFTF TFO, an employee of Maricopa County 
Sheriff’s Office must: 
(i) Be employed by a law enforcement agency with full-time statutory law enforcement 
responsibility with general arrest authority (this includes civilian security officers employed on 
military installations and assigned the responsibility to enforce federal law). 
(ii) Be United States citizen. 
(iii) Possess at least one year of law enforcement experience with Maricopa County Sheriff’s Office and 
must have successfully completed a basic law enforcement training program. 
(iv) Not have been “convicted in any court of a misdemeanor crime of domestic violence,” as per 18 
U.S.C. § 922(g)(9) (also known as the Lautenberg Amendment). 
(v) Have successfully qualified with an authorized firearm on an approved course of fire within six 
months of date of application. 
(vi) Be subject to Maricopa County Sheriff’s Office Use of Force policies.

Page 6 of 10 
MEMORANDUM OF UNDERSTANDING 
(e)
Access to Secret Service Systems and/or Unescorted Access to Secret Service
Facilities
(i)
TFMs and TFOs can access Secret Service facilities unescorted, provided they first successfully
attain FIS Tier I clearance authorized by the Secret Service Chief Security Officer.
(ii)
TFMs and TFOs can access Secret Service systems, provided they first successfully attain FIS
Tier 4 clearance authorized by the Secret Service Chief Security Officer.
(iii)
TFMs and TFOs with access to Secret Service systems and/or unescorted access to Secret
Service facilities are subject to applicable Secret Service policies.
(iv)
TFMs and TFOs with access to Secret Service systems and/or unescorted access to Secret Service
facilities must be listed in Appendix B: Task Force Members/Task Force Officers with Access to
Systems and/or Facilities.
V.
REVISIONS
The terms of this MOU may be amended upon the written approval of both the Maricopa County Sheriff’s 
Office and the Secret Service. Such amendment is effective upon the date of approval. 
U.S. Secret Service 
Phoenix Field Office 
_________________________________ 
SAIC William R. Mack            
Date 
Maricopa County, a political subdivision of 
the State of Arizona 
_________________________________ 
Kate Brophy McGee 
              Date 
Chair, Board of Supervisors 
ATTEST: 
_________________________________ 
Juanita Garza   
Date 
Clerk of the Board 
Maricopa County Sheriff’s Office 
_________________________________ 
Jerry Sheridan   
Date 
Sheriff 
Approved as to form: 
_________________________________ 
Deputy County Attorney  
Date

Appendix A 
MEMORANDUM OF UNDERSTANDING 
VI. 
TASK FORCE OFFICER ACKNOWLEDGEMENT 
 
As a United States Secret Service Cyber Fraud Task Force (CFTF) Task Force 
Officer (TFO) with United States Marshals Service (USMS) Special Deputy Status, 
the undersigned acknowledges the following: 
(a) I am authorized to carry a firearm, use a Secret Service issued Federal law 
enforcement Commission Book, and perform federal law enforcement 
functions only as outlined in 18 United States Code (U.S.C.) § 3056, Powers, 
authorities, and duties of United States Secret Service. 
(b) I am assigned to a Secret Service snpervisor with oversight and command 
authority over the performance of federal law enforcement functions as 
authorized by my Special Deputy Status. 
(c) While performing federal law enforcement functions as anthorized by my 
Special Depnty Status, I am subject to the Maricopa County Sheriff’s Office 
Use of Force, Use of Government Vehicles, and other applicable policies. 
(d) I am not authorized to fly armed on commercial carriers unless I receive an 
eight-character Unique Alphanumeric Identifier (UAI) from the 
Transportation Security Administration (TSA). I must also carry my USMS 
deputation forms and present them to TSA along with the UAI. 
(e) I understand the Secret Service Commission Book remains the property of 
the Secret Service and I must surrender it immediately upon request of 
any special agent of the Secret Service, or upon expiration. 
 
 
 
Maricopa County Sheriff’s Office 
 
 
U.S. Secret Service 
 
 
 
 
 
 
 
Phoenix Field Office 
 
 
 
______________________________ 
 
Lance Hunzeker #S1663 
 
 
 
SAIC William R. Mack 
Sergeant 
 
 
 
 
 
 
 
 
Date: _____8-21-2025______________  
 
Date:_________________________

Appendix B 
MEMORANDUM OF UNDERSTANDING 
 
 
VII. TASK FORCE OFFICER ACKNOWLEDGEMENT 
 
As a United States Secret Service Cyber Fraud Task Force (CFTF) Task Force 
Officer (TFO) with United States Marshals Service (USMS) Special Deputy Status, 
the undersigned acknowledges the following: 
(a) I am authorized to carry a firearm, use a Secret Service issued Federal Jaw 
enforcement Commission Book, and perform federal Jaw enforcement 
functions only as outlined in 18 United States Code (U.S.C.) § 3056, Powers, 
authorities, and duties of United States Secret Service. 
(b) I am assigned to a Secret Service supervisor with oversight and command 
authority over the performance of federal Jaw enforcement functions as 
authorized by my Special Deputy Status. 
(c) While performing federal Jaw enforcement functions as authorized by my 
Special Deputy Status, I am subject to Maricopa County Sheriff’s Office Use 
of Force, Use of Government Vehicles, and other applicable policies. 
(d) I am not authorized to fly armed on commercial carriers unless I receive an 
eight-character Unique Alphanumeric Identifier (UAI) from the 
Transportation Security Administration (TSA). I must also carry my USMS 
deputation forms and present them to TSA along with the UAI. 
(e) I understand the Secret Service Commission Book remains the property of 
the Secret Service and I must surrender it immediately upon request of 
any special agent of the Secret Service, or upon expiration. 
 
 
Maricopa County Sheriff’s Office 
 
 
U.S. Secret Service 
 
 
 
 
 
 
 
Phoenix Field Office 
 
 
 
 
______________________________ 
 
Mark DiBone #S1782  
 
 
 
SAIC William R. Mack 
Detective/Deputy Sheriff 
 
 
 
 
 
 
 
 
Date: _____8-21-2025______________  
 
Date:_________________________

Appendix C 
MEMORANDUM OF UNDERSTANDING 
VIII. TASK FORCE OFFICER ACKNOWLEDGEMENT 
 
As a United States Secret Service Cyber Fraud Task Force (CFTF) Task Force 
Officer (TFO) with United States Marshals Service (USMS) Special Deputy Status, 
the undersigned acknowledges the following: 
(a) I am authorized to carry a firearm, use a Secret Service issued Federal law 
enforcement Commission Book, and perform federal law enforcement 
functions only as outlined in 18 United States Code (U.S.C.) § 3056, Powers, 
authorities, and duties of United States Secret Service. 
(b) I am assigned to a Secret Service supervisor with oversight and command 
authority over the performance of federal law enforcement functions as 
authorized by my Special Deputy Status. 
(c) While performing federal law enforcement functions as authorized by my 
Special Deputy Status, I am subject to Maricopa County Sheriff’s Office Use 
of Force, Use of Government Vehicles, and other applicable policies. 
(d) I am not authorized to fly armed on commercial carriers unless I receive an 
eight-character Unique Alphanumeric Identifier (UAI) from the 
Transportation Security Administration (TSA). I must also carry my USMS 
deputation forms and present them to TSA along with the UAI. 
(e) I understand the Secret Service Commission Book remains the property of 
the Secret Service and I must surrender it immediately upon request of 
any special agent of the Secret Service, or upon expiration. 
 
 
 
 
Maricopa County Sheriff’s Office 
 
 
U.S. Secret Service 
 
 
 
 
 
 
 
Phoenix Field Office 
 
  
______________________________ 
 
Daniel Garcia #S1844  
 
 
 
SAIC William R. Mack 
Detective/Deputy Sheriff 
 
 
 
 
 
 
 
 
Date: _____8-21-2025______________  
 
Date:_________________________

Appendix D 
MEMORANDUM OF UNDERSTANDING 
IX. 
TASK FORCE OFFICER ACKNOWLEDGEMENT 
 
As a United States Secret Service Cyber Fraud Task Force (CFTF) Task Force 
Officer (TFO) with United States Marshals Service (USMS) Special Deputy Status, 
the undersigned acknowledges the following: 
(a) I am authorized to carry a firearm, use a Secret Service issued Federal law 
enforcement Commission Book, and perform federal law enforcement 
functions only as outlined in 18 United States Code (U.S.C.) § 3056, Powers, 
authorities, and duties of United States Secret Service. 
(b) I am assigned to a Secret Service supervisor with oversight and command 
authority over the performance of federal law enforcement functions as 
authorized by my Special Deputy Status. 
(c) While performing federal law enforcement functions as authorized by my 
Special Deputy Status, I am subject to Maricopa County Sheriff’s Office Use 
of Force, Use of Government Vehicles, and other applicable policies. 
(d) I am not authorized to fly armed on commercial carriers unless I receive an 
eight-character Unique Alphanumeric Identifier (UAI) from the 
Transportation Security Administration (TSA). I must also carry my USMS 
deputation forms and present them to TSA along with the UAI. 
(e) I understand the Secret Service Commission Book remains the property of 
the Secret Service and I must surrender it immediately upon request of 
any special agent of the Secret Service, or upon expiration. 
 
 
Maricopa County Sheriff’s Office 
 
 
U.S. Secret Service 
 
 
 
 
 
 
 
Phoenix Field Office 
 
 
______________________________ 
 
Robert Roberts #S1595 
 
 
 
SAIC William R. Mack 
Detective/Deputy Sheriff 
 
 
 
 
 
 
 
Date: _____8-21-2025______________  
 
Date:_________________________