October 7, 2025 Meeting Minutes

City of Chandler — Regular Meeting (2026-01-06)

View PDF Meeting page

Extracted text (via pymupdf) 3860 characters
CITIZENS’ PANEL FOR REVIEW OF POLICE COMPLAINTS AND USE OF FORCE SPECIAL 
MEETING MINUTES 
 
October 7, 2025 
 
1. CALL TO ORDER/ROLL CALL 
Chairperson Diefenbacher called the meeting to order at approximately 6:01 PM 
 
Members in Attendance: 
Chairperson Jason Diefenbacher 
Vice Chair Flor Martinez 
Panel member Sam Enoch 
Panel member Dawn Vukadinovich 
Panel member Gina Giammona 
Panel member Hilary HC Jenkins 
Panel member Jill Slavin 
Panel member Josh Whitaker 
Panel member Joseph Yang 
Panel member Annette Ruiz 
 
Members Absent: 
Panel member James Bogert 
Panel member Jeff Jones 
Panel member Allen Leibowitz 
Panel member Debra Schinke 
Panel member Chris Tiller 
 
Staff in Attendance: 
Assistant Chief of Police Melissa Deanda 
Cmdr. Daniel Shellum 
Sgt. Ryan Andrews 
Sgt. Dan Greene 
Det. Danielle Stein 
Det. Brian Morgenthaler 
Ean White, Assistant City Attorney 
Pamela Leon, Staff Liaison

2. SCHEDULED/UNSCHEDULED PUBLIC APPEARANCES/CALL TO PUBLIC 
a. Citizen Complaint – Brian Vaughn 
 
3. Approval of the Minutes 
a. Minutes of July 8, 2025 
There was a clerical error on the July 8, 2025, meeting minutes. The clerical 
error was corrected in the meeting minutes. 
Panel member Ruiz moved to approve the minutes of the July 8, 2025, 
Citizens’ Panel for Review of Police Complaints and Use of Force meeting. 
Panel member Whitaker seconded the motion.  
The minutes were approved by all Panel members present.   
4. ANNOUNCEMENTS 
a. None 
 
5. ACTION AGENDA 
a. Review and discuss the Shooting Incident of October 24, 2025, 
presented by Det. Morgenthaler (2024-118856). 
 
Panel member Enoch 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.  
 
b. Presentation by Professional Standards Section Acting Commander, 
Sgt. Andrews 
 
Sgt. Andrews provided the Panel with an overview of the Professional 
Standards Section and its responsibilities related to the complaint review and 
policy compliance. He explained the Internal Affairs administrative 
investigation process and distinguished it from the criminal investigative 
process, including an overview of how officer-involved shootings are 
investigated. Sgt. Andrews outlined the general steps of these investigations

and noted how findings are documented and reported to command staff to 
ensure accountability and transparency. 
 
c. Use of Force Summary Quarter 2 2025 
There were questions and discussion, but no questions specific to the use of 
force. Panel member Vukadinovich moved to approve the summary, 
seconded by Panel member Yang. The motion was approved by all Panel 
members present. 
 
d. Election of Officers: Chair and Vice Chair 
 
Panel member Whitaker nominated Chairperson Diefenbacher to serve as 
Chair. Panel member Yang seconded the motion. The vote carried 
unanimously.  
 
Panel member Whitaker nominated Vice Chair Martinez to serve as Vice 
Chair. Panel member Yang seconded the motion. The vote carried 
unanimously.  
 
6. Discussion 
a. None  
 
7. CALENDAR/FUTURE AGENDA ITEMS 
 
Next meeting will be Tuesday, January 6, 2026, at 6:00 pm.  
 
8. INFORMATION ITEMS 
Panel member Yang inquired about holding a holiday gathering. After 
discussion and consideration of open meeting law requirements, it was agreed 
that the Panel may hold a holiday gathering; however, it cannot be hosted at 
the Police Department.  
The Panel expressed appreciation for the opportunity to gather in a setting 
that supports fellowship while remaining compliant with applicable 
regulations.

ADJOURNMENT 
Panel member Enoch moved to adjourn, seconded by Panel member Yang. 
The motion was approved by all Panel members present, and the meeting 
adjourned at approximately 7:33 p.m.