Complaint #202403962,
April 6, 2024

Officer: Derise, Jon
Complainant: Black Male, 45-49
Allegation: Force: Pepper spray
CCRB Conclusion: Substantiated (Charges)
Officer: Derise, Jon
Complainant: Black Male, 45-49
Allegation: Abuse of Authority: Forcible Removal to Hospital
CCRB Conclusion: Substantiated (Command Discipline A)
Officer: Guan, Ivan
Complainant: Black Male, 45-49
Allegation: Force: Pepper spray
CCRB Conclusion: Unfounded
Officer Complainant Allegation CCRB Conclusion
Derise, Jon Black Male, 45-49 Force: Pepper spray Substantiated (Charges)
Derise, Jon Black Male, 45-49 Abuse of Authority: Forcible Removal to Hospital Substantiated (Command Discipline A)
Guan, Ivan Black Male, 45-49 Force: Pepper spray Unfounded

Conclusion Meanings:

'Substantiated': The misconduct occurred and it violated the rules. The NYPD has discretion over what, if any, discipline is imposed.
'Unfounded': Evidence suggests that the event or alleged conduct did not occur.

Further details on conclusions.


Penalty

Derise, Jon
Forfeit vacation 20 days
Closed: Resolved by plea, February 12, 2026
APU Guilty
Forfeit vacation 20 days

Document

Complaint Closing Report

Details

Incident: April 6, 2024
Received: April 23, 2024
Closed: July 29, 2025
Last Updated: February 14, 2026

Reason for contact: Report-dispute
Location: Street/highway
In NYPD 73rd Precinct Brooklyn
Outcome: No arrest made or summons issued

Witness Officers: Justin Anormaliza, Tyler Barnett, Hayden Barry, Mahmudul Bhuiyan, Sali Cerimi, Nicole Dreyfus, Nolan Grabowski, Ryan Hoffner, Evrett Kerr, Imran Khan, Wendell Kornegay, Rafal Korycki, Charles Markert, Johan Mercedes, Sabrinna Moore, David Parache, Troy Peacock, Alexander Saenz, Ernan Vega
Body-Worn Camera evidence collected