Complaint #202405487,
June 2, 2024

Officer: Oliva, Melissa
Complainant: White Female, 21-24
Allegation: Force: Physical force
CCRB Conclusion: Within NYPD Guidelines
Officer: Ellis, Tristen
Complainant: White Female, 21-24
Allegation: Force: Handcuffs too tight
CCRB Conclusion: Unable to Determine
Officer: Oliva, Melissa
Complainant: White Female, 21-24
Allegation: Abuse of Authority: Forcible Removal to Hospital
CCRB Conclusion: Within NYPD Guidelines
Officer: Ellis, Tristen
Complainant: White Female, 21-24
Allegation: Force: Physical force
CCRB Conclusion: Within NYPD Guidelines
Officer: Ellis, Tristen
Complainant: White Female, 21-24
Allegation: Abuse of Authority: Forcible Removal to Hospital
CCRB Conclusion: Within NYPD Guidelines
Officer: Oliva, Melissa
Complainant: Female, 21-24
Allegation: Abuse of Authority: Improper use of body-worn camera
CCRB Conclusion: Substantiated (Command Discipline A)
Officer: Ellis, Tristen
Complainant: Female, 21-24
Allegation: Abuse of Authority: Improper use of body-worn camera
CCRB Conclusion: Substantiated (Command Discipline A)
Officer Complainant Allegation CCRB Conclusion
Oliva, Melissa White Female, 21-24 Force: Physical force Within NYPD Guidelines
Ellis, Tristen White Female, 21-24 Force: Handcuffs too tight Unable to Determine
Oliva, Melissa White Female, 21-24 Abuse of Authority: Forcible Removal to Hospital Within NYPD Guidelines
Ellis, Tristen White Female, 21-24 Force: Physical force Within NYPD Guidelines
Ellis, Tristen White Female, 21-24 Abuse of Authority: Forcible Removal to Hospital Within NYPD Guidelines
Oliva, Melissa Female, 21-24 Abuse of Authority: Improper use of body-worn camera Substantiated (Command Discipline A)
Ellis, Tristen Female, 21-24 Abuse of Authority: Improper use of body-worn camera Substantiated (Command Discipline A)

Conclusion Meanings:

'Substantiated': The misconduct occurred and it violated the rules. The NYPD has discretion over what, if any, discipline is imposed.
'Unable to Determine': The alleged conduct was investigated but could not determine both that the conduct occurred and that it broke the rules.
'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.


Penalties

Oliva, Melissa
Command Discipline - A

Ellis, Tristen
Command Discipline - A

Details

Incident: June 2, 2024
Received: June 4, 2024
Closed: October 9, 2025
Last Updated: November 27, 2025

Reason for contact: Report-dispute
Location: Street/highway
In NYPD 60th Precinct Brooklyn
Outcome: No arrest made or summons issued

Witness Officers: Justin Calderon, Rickey Hill, Sanela Kovacevic, Alex Kroytor, Anthony Martinez, Alvin Nieves, Boruch Ruvinov, Cindy Salasmoran, Thalia Santiago
Body-Worn Camera evidence collected