April 1 Meeting Minutes

City of Chandler — Regular Meeting (2025-07-08)

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CITIZENS’ PANEL FOR REVIEW OF POLICE COMPLAINTS AND USE OF FORCE SPECIAL 
MEETING MINUTES 
 
April 1, 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 Laurie Fagen 
Panel member Gina Giammona 
Panel member Jeff Jones 
Panel member Hilary HC Jenkins 
Panel member James Bogert 
Panel member Debra Schinke 
Panel member Jill Slavin 
Panel member Josh Whitaker 
Panel member Joseph Yang 
 
Members Absent: 
Panel member Carlos Lozano 
 
Staff in Attendance: 
Police Chief Bryan Chapman 
Cmdr. Daniel Shellum 
Det. Danielle Stein 
Det. Cassandra Ynclan 
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 January 7, 2025 
Panel member Fagen moved to approve the minutes of the January 7, 2025, 
Citizens’ Panel for Review of Police Complaints and Use of Force meeting. 
Panel member Bogert seconded the motion.  
The minutes were approved by all Panel members present.   
4. ANNOUNCEMENTS 
a. None 
 
5. ACTION AGENDA 
a. Address from Mayor Hartke 
 
Mayor Hartke thanked all board members for being part of the board. He 
invited all board members and staff  to the Boards and Commissions 
Appreciation Event being held April 16, 2025. Mayor Hartke discussed the 
special bond election set to occur in November 2025.  
 
b. Review and discuss Shooting Incident of March 3, 2024, presented by 
Det. Kallberg (2024-25768) 
 
Panel member Yang 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.  
 
c. Review and discuss Shooting Incident of May 8, 2024, presented by Det. 
Kallberg (2024-52256) 
 
Panel member Bogert moved to approve the findings of the shooting 
investigation. Panel member Yang seconded the motion. The findings of 
the investigation were approved by all Panel members present. 
 
The motion carried unanimously.

Panel member Yang submitted a commendation for the Officers involved. 
 
d. Review and discuss Shooting Incident of March 23, 2024, presented by 
Det. Ynclan (2024-33487) 
 
Vice Chair Martinez moved to approve the findings of the shooting 
investigation. Panel member Whitaker seconded the motion. The 
findings of the investigation were approved by all Panel members 
present. 
 
The motion carried unanimously.  
 
e. Review and discuss Shooting Incident of August 29, 2024, presented 
by Det. Ynclan (2024-98143) 
 
Vice Chair Vukadinovich moved to approve the findings of the shooting 
investigation. Panel member Fagen 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 4 2024 
There were questions and discussion, but no questions specific to the use 
of force. Panel member Whitaker moved to approve the summary, 
seconded by Panel member Bogert. The motion was approved by all 
Panel members present. 
 
6. Discussion 
a. None  
 
7. CALENDAR/FUTURE AGENDA ITEMS 
 
Next meeting will be Tuesday, July 8, 2025, at 6:00 pm.

8. INFORMATION ITEMS 
Panel member appreciation for outgoing members Carlos Lozano and Laurie 
Fagen. Carlos Lozano and Laurie Fagen presented with a retirement plaque by 
Commander Shellum.   
Chairperson Diefenbacher asked for feedback from the Panel. Panel 
member Bogert thanked the board and staff for providing rules and 
procedures. Chairperson Diefenbacher expressed the importance of staff 
providing body worn camera footage and how helpful it has become since the 
implementation of body worn cameras.  
Panel member Whitaker stated how impressed he was with Det. Ynlcan and 
Det. Kallberg during the officer involved shooting presentations.  
9. ADJOURNMENT 
Panel member Yang moved to adjourn, seconded by Panel member Bogert. 
The motion was approved by all Panel members present, and the meeting 
adjourned at approximately 7:40 p.m.