Complaint #201706063,
July 19, 2017

Officer: Greiner, Christopher
Complainant: Hispanic Male, 37
Allegation: Force: Physical force
CCRB Conclusion: Exonerated
Officer: Greiner, Christopher
Complainant: Hispanic Male, 37
Allegation: Abuse of Authority: Threat of force (verbal or physical)
CCRB Conclusion: Unfounded
Officer: Greiner, Christopher
Complainant: Hispanic Male, 37
Allegation: Abuse of Authority: Search (of person)
CCRB Conclusion: Unsubstantiated
Officer: Greiner, Christopher
Complainant: Hispanic Male, 37
Allegation: Abuse of Authority: Stop
CCRB Conclusion: Substantiated (Charges)
Officer: Greiner, Christopher
Complainant: White Male, 49
Allegation: Discourtesy: Word
CCRB Conclusion: Unsubstantiated
Officer: Greiner, Christopher
Complainant: Hispanic Male, 37
Allegation: Force: Physical force
CCRB Conclusion: Unsubstantiated
Officer Complainant Allegation CCRB Conclusion
Greiner, Christopher Hispanic Male, 37 Force: Physical force Exonerated
Greiner, Christopher Hispanic Male, 37 Abuse of Authority: Threat of force (verbal or physical) Unfounded
Greiner, Christopher Hispanic Male, 37 Abuse of Authority: Search (of person) Unsubstantiated
Greiner, Christopher Hispanic Male, 37 Abuse of Authority: Stop Substantiated (Charges)
Greiner, Christopher White Male, 49 Discourtesy: Word Unsubstantiated
Greiner, Christopher Hispanic Male, 37 Force: Physical force Unsubstantiated

Conclusion Meanings:

'Exonerated': or 'Within NYPD Guidelines' - The conduct occurred but did not violate the NYPD's own rules, which often give officers significant discretion.
'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.
'Unsubstantiated': or 'Unable to Determine' - The alleged conduct was investigated but could not determine both that the conduct occurred and that it broke the rules.

Further details on conclusions.


Penalty

Greiner, Christopher
Closed: Not guilty after trial-PC Approved, March 31, 2020
APU Not guilty

Summary

At approximately 4:15 p.m. on July 19, 2017, [redacted] was walking on 4th Avenue and St. Marks Place in Brooklyn when he was stopped by Det. Christopher Greiner of Narcotics Borough Brooklyn South (Allegation A: Abuse of Authority, [redacted]). Det. Greiner allegedly entered [redacted]'s pants pocket immediately after approaching him (Allegation B: Abuse of Authority, [redacted]). [redacted] ran away and Det. Greiner and PO Dominick Ciaravino, also of Narcotics Borough Brooklyn South, pursued him. Det. Greiner used force to place him in handcuffs (Allegation C: Force, [redacted]). Det. Greiner allegedly threatened to break [redacted]'s finger (Allegation D: Abuse of Authority, [redacted]). [redacted] was placed in handcuffs. Det. Greiner searched [redacted] and recovered a bag of marijuana from his pants pocket. [redacted] was arrested and charged with two counts of resisting arrest, one count of disorderly conduct, and one count of criminal possession of marijuana in the fifth degree. Numerous employees of a nearby business were outside, including [redacted]. Det. Greiner spoke discourteously towards [redacted] (Allegation E: Discourtesy, [redacted]). Det. Greiner and PO Ciaravino transported [redacted] to the 78th Precinct stationhouse. [redacted] alleged that while en route, Det. Greiner punched him multiple times (Allegation F: Force, [redacted]). An ambulance responded to the stationhouse and treated [redacted] for abrasions on his shoulder, arm, knee, and hand. [redacted] was released with a DAT. Read report for details.


Details

Incident: July 19, 2017
Received: July 25, 2017
Closed: November 19, 2018
Last Updated: October 2, 2025

Reason for contact: PD suspected C/V of violation/crime - street
Location: Street/highway
In NYPD 78th Precinct Brooklyn
Outcome: Arrest - other violation/crime

Witness Officers: Dominick Ciaravino
Video evidence collected