Matthew T. Duffy

Badge #11168, White Male
Police Officer at 75th Precinct Detective Squad since July 2026
Also served at Manhattan Court Section, 83rd Precinct
Service started April 2019, made $138,000 last year, Tax #967492

Substantiated Allegations:
Abuse of Authority: Refusal to obtain medical treatment

Discipline Cases:

Case: 2023-29004
Closed: 1/6/2024

View Details

Complaints

4 Complaints
6 Allegations
1 Substantiated
1 Substantiated (Command Discipline A)
1 Complaint Withdrawn
2 Unable to Determine
2 Unfounded

Complaint #202310503, October 2023
Allegation: Abuse of Authority: Failure to provide RTKA card
Complainant: Male, 50-54
CCRB Conclusion: Unfounded
Allegation: Abuse of Authority: Refusal to provide name
Complainant: Male, 50-54
CCRB Conclusion: Unfounded
additional details

Complaint #202204394, July 2022
Allegation: Abuse of Authority: Refusal to obtain medical treatment
Complainant: Black Female, 45-49
CCRB Conclusion: Substantiated (Command Discipline A)
Penalty: Command Discipline - A
additional details

Complaint #202203835, June 2022
Allegation: Abuse of Authority: Refusal to provide name
Complainant: Female, 60-64
CCRB Conclusion: Unable to Determine
Allegation: Abuse of Authority: Refusal to provide shield number
Complainant: Female, 60-64
CCRB Conclusion: Unable to Determine
additional details

Complaint #202002774, April 2020
Allegation: Abuse of Authority: Threat of arrest
Complainant: Male, 38
CCRB Conclusion: Complaint Withdrawn
additional details

Complaint #202310503, October 2023
Allegation Complainant CCRB Conclusion
Abuse of Authority: Failure to provide RTKA card Male, 50-54 Unfounded
Abuse of Authority: Refusal to provide name Male, 50-54 Unfounded
additional details
Complaint #202204394, July 2022
Allegation Complainant CCRB Conclusion
Abuse of Authority: Refusal to obtain medical treatment Black Female, 45-49 Substantiated (Command Discipline A)
Penalty: Command Discipline - A
additional details
Complaint #202203835, June 2022
Allegation Complainant CCRB Conclusion
Abuse of Authority: Refusal to provide name Female, 60-64 Unable to Determine
Abuse of Authority: Refusal to provide shield number Female, 60-64 Unable to Determine
additional details
Complaint #202002774, April 2020
Allegation Complainant CCRB Conclusion
Abuse of Authority: Threat of arrest Male, 38 Complaint Withdrawn
additional details

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.
'Unfounded': Evidence suggests that the event or alleged conduct did not occur.

Further details on conclusions.


Discipline

Case: 2023-29004
Closed: 1/6/2024
Case Details:
  1. Failed to obtain medical treatment.
Penalty: A - Command Discipline
Recommendation: Command Discipline - A


Lawsuits

Mayfield, Joseph as Proposed Administrator of The Estate of Mayfield, Andre, et Al vs City of Ny, et al.
Case # 529111/2025, Supreme Court - Kings, September 23, 2025