July 8, 2025, Meeting Minutes

City of Chandler — Regular Meeting (2025-10-07)

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CITIZENS’ PANEL FOR REVIEW OF POLICE COMPLAINTS AND USE OF FORCE SPECIAL 
MEETING MINUTES 
 
July 8, 2025 
 
1. CALL TO ORDER/ROLL CALL 
Chairperson Diefenbacher called the meeting to order at approximately 6:00 PM 
 
Members in Attendance: 
Chairperson Jason Diefenbacher 
Vice Chair Flor Martinez 
Panel member Sam Enoch 
Panel member Allen Leibowitz  
Panel member Dawn Vukadinovich 
Panela member Chris Tiller 
Panel member Gina Giammona 
Panel member Hilary HC Jenkins 
Panel member Debra Schinke 
Panel member Jill Slavin 
Panel member Josh Whitaker 
Panel member Annette Ruiz Taylor 
 
 
Members Absent: 
Panel member James Bogert 
Panel member Jeff Jones 
Panel member Joseph Yang 
 
 
Staff in Attendance: 
Assistant Chief Melissa Deanda 
Cmdr. Daniel Shellum 
Det. Danielle Stein 
Det. Nikky Kallberg 
Ean White, Assistant City Attorney 
Pamela Leon, Staff Liaison

2. SCHEDULED/UNSCHEDULED PUBLIC APPEARANCES/CALL TO PUBLIC 
a. None 
 
3. Approval of the Minutes 
a. Minutes of July 8, 2025  
Panel member Enoch moved to approve the minutes of the July 8, 2025, 
Citizens’ Panel for Review of Police Complaints and Use of Force meeting. 
Panel member Schinke seconded the motion.  
The minutes were approved by all Panel members present.   
4. ANNOUNCEMENTS 
a. Introduction of newly appointed Panel member Annette Ruiz and Chris 
Tiller 
 
5. ACTION AGENDA 
a. Presentation by David Kerzie, Sergeant and Peer Support Lead 
 
Sgt. Kerzie provided the Panel  with an overview of the Peer Support Program 
which is a critical resource for fostering mental health awareness and 
resilience within the department.  
 
b. Presentation by Brooke Tabacco, Wellness Coordinator  
 
Brooke provided the Panel with an overview of the wellness programs 
offered by the department. The wellness programs are designed to support 
the physical, mental, and emotional well-being of both civilian and sworn 
staff, recognizing the unique challenges faced by law enforcement personnel.  
 
c. Review and discuss Shooting Incident of July 18, 2024, presented by 
Det. Kallberg (2024-900690) 
Panel member Leibowitz moved to approve the findings of the shooting 
investigation. Panel member Schinke seconded the motion. The findings of 
the investigation were approved by all Panel members present. 
The motion carried unanimously.  
d. Review and discuss Shooting Incident of August 1, 2024, presented by 
Det. Rietz (2024-86444)

Vice Chair Whitaker moved to approve the findings of the shooting 
investigation. Panel member Vukadinovich seconded the motion. The 
findings of the investigation were approved by all Panel members present. 
The motion carried unanimously.  
e. Discussion and possible action to approve Annual Report: Citizens’ 
Panel for Review of Police Complaints and Use of Force Council 
memo for the Annual Report: Citizens’ Panel for Review of Police 
Complaints and Use of Force, July 1, 2024 – June 30, 2025 
 
Panel member Martinez moved to approve the findings of the shooting 
investigation. Panel member Enoch seconded the motion. The findings of the 
investigation were approved by all Panel members present. 
The motion carried unanimously.  
f. Use of Force Summary Quarter 1 2025 
Panel member Whitaker did not agree with Summary 2. Panel member 
Whitaker expressed his concern with the amount of time commands were 
given prior to be the K9 being released.  
 
There were other questions and discussion, but no questions specific to the 
use of force. Panel member Schinke moved to approve the summary, 
seconded by Panel member Slavin.  
 
The motion was approved 11-1. 
 
6. Discussion 
a. None  
 
7. CALENDAR/FUTURE AGENDA ITEMS 
 
Next meeting will be Tuesday, October 7, 2025, at 6:00 pm.

8. INFORMATION ITEMS 
Vice Chair Martinez recognized and congratulated Commander Shellum on 
being chosen as one of the Men of Chandler 2025.  
Vice Chair Martinez discussed the possibility of changing the meeting 
schedule and meeting monthly instead of quarterly. Assistant Chief Deanda 
notified the Panel, monthly reports cannot be provided due to our structured 
reporting process, which is designed around quarterly and annual cycles. 
Monthly reports would not align with the current reporting framework and 
providing them could lead to incomplete or less meaningful insights.  
Panel members discussed the City Clerk’s Boards and Commissions 
Appreciation Event held on April 16, 2025.  
9. ADJOURNMENT 
Panel member Enoch moved to adjourn, seconded by Panel member 
Vukadinovich. The motion was approved by all Panel members present, 
and the meeting adjourned at approximately 7:40 p.m.