Complaint #202408745,
January 16, 2024

Officer: Acevedo, Samuel
Complainant: Black Male, 35-39
Allegation: Force: Physical force
CCRB Conclusion: Within NYPD Guidelines
Officer: Brennan, Timothy
Complainant: Black Male, 35-39
Allegation: Force: Physical force
CCRB Conclusion: Within NYPD Guidelines
Officer: Lafaille, Dahana
Complainant: Black Male, 35-39
Allegation: Force: Gun fired
CCRB Conclusion: Within NYPD Guidelines
Officer: Groth, Toniann
Complainant: Black Male, 35-39
Allegation: Force: Gun fired
CCRB Conclusion: Within NYPD Guidelines
Officer: Acevedo, Samuel
Complainant: Black Male, 35-39
Allegation: Force: Gun fired
CCRB Conclusion: Within NYPD Guidelines
Officer: Kerzner, Willem
Complainant: Male, 35-39
Allegation: Abuse of Authority: Improper use of body-worn camera
CCRB Conclusion: Substantiated (Formalized Training)
Officer: Unknown Officer
Complainant: Black Male, 35-39
Allegation: Discourtesy: Word
CCRB Conclusion: Unfounded
Officer: Lafaille, Dahana
Complainant: Black Male, 35-39
Allegation: Force: Physical force
CCRB Conclusion: Within NYPD Guidelines
Officer Complainant Allegation CCRB Conclusion
Acevedo, Samuel Black Male, 35-39 Force: Physical force Within NYPD Guidelines
Brennan, Timothy Black Male, 35-39 Force: Physical force Within NYPD Guidelines
Lafaille, Dahana Black Male, 35-39 Force: Gun fired Within NYPD Guidelines
Groth, Toniann Black Male, 35-39 Force: Gun fired Within NYPD Guidelines
Acevedo, Samuel Black Male, 35-39 Force: Gun fired Within NYPD Guidelines
Kerzner, Willem Male, 35-39 Abuse of Authority: Improper use of body-worn camera Substantiated (Formalized Training)
Unknown Officer Black Male, 35-39 Discourtesy: Word Unfounded
Lafaille, Dahana Black Male, 35-39 Force: Physical force Within NYPD Guidelines

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.
'Within NYPD Guidelines': The conduct occurred but did not violate the NYPD's own rules, which often give officers significant discretion.

Further details on conclusions.


Penalty

Kerzner, Willem
Formalized Training

Details

Incident: January 16, 2024
Received: September 3, 2024
Closed: October 27, 2025
Last Updated: February 8, 2026

Reason for contact: Report-domestic dispute
Location: Hospital
In NYPD 71st Precinct Brooklyn
Outcome: Arrest - other violation/crime

Witness Officers: Ryan Hoffner, Mark Vazquez
Body-Worn Camera evidence collected
Video evidence collected