Magassouba v. The City of New York
- Kenneth Karas
- 7:23-cv-03686
- U.S. District Court · Southern District of New York
- 23
In Magassouba v. City of New York, Judge Karas granted defendants’ dismissal motions and dismissed Moustapha Magassouba’s claims with prejudice.
Moustapha Magassouba’s federal claims were dismissed with prejudice, and the court declined to exercise supplemental jurisdiction over his state-law claims. The City of New York, the City of White Plains, Janet Defiore, and Adrienne Chapoulie prevailed on their dismissal motions.
What happened
Magassouba v. The City of New York concerns Moustapha Magassouba’s claims arising from his 2000 arrest and resentencing on a 1996 forgery charge. He alleged that the cities maintained policies allowing arrests based on false or fabricated warrant evidence and that two prosecutors engaged in misconduct.
The court dismissed the claims against former District Attorney Janet Defiore because Magassouba did not adequately allege her personal involvement or that supervised employees acted outside their jobs. It dismissed the claims against District Attorney Adrienne Chapoulie because prosecutors have immunity for actions connected to prosecuting criminal cases. It also dismissed the claims against New York City and White Plains because the alleged municipal policies were stated only in general terms. The court declined to hear any remaining state-law claims.
Judge Kenneth M. Karas granted all three defendants’ motions in full, dismissed Magassouba’s claims with prejudice, directed the Clerk to close the case, and ordered that a copy of the opinion be mailed to Magassouba.
The detailed version
- Magassouba v. The City of New York · No. 7:23-cv-03686
- Kenneth Karas
- Mar. 3, 2025
Background
Moustapha Magassouba, proceeding without a lawyer, sued the City of New York, the City of White Plains, former District Attorney Janet Defiore, and District Attorney Adrienne Chapoulie. He alleged federal and state claims based on events connected to a 1996 forgery conviction, a bench warrant issued in 1996, his arrest in 2000, and his later resentencing.
The court understood the Second Amended Complaint to assert malicious-prosecution and negligent-supervision claims against Defiore; malicious-prosecution and abuse-of-process claims against Chapoulie; and claims under Section 1983 against New York City and White Plains. Section 1983 allows claims for violations of federal rights by persons acting under state law, including certain claims against municipalities.
Claims Against Defiore
The court dismissed the malicious-prosecution claim against Defiore because the complaint did not adequately allege that she personally participated in, or knew about, unlawful conduct connected to the 1996 prosecution or the 2000 resentencing. Allegations about filings and motions beginning in 2009 did not establish her involvement in those earlier events. To the extent the allegations concerned later proceedings, the court found that they asserted only supervisory responsibility rather than Defiore’s personal participation. The court also stated that, even if she had been personally involved in the later litigation, prosecutorial actions connected to the judicial phase of a criminal case are protected by absolute immunity from damages claims.
The court also dismissed the negligent-supervision claim against Defiore. Under the rule applied by the court, a claim of negligent hiring, training, retention, or supervision is not available when the employees acted within the scope of their employment. Magassouba did not allege facts showing that the employees Defiore allegedly supervised acted outside that scope.
Claims Against Chapoulie
The court dismissed the claims against Chapoulie because the allegations concerned her conduct as a prosecutor in connection with Magassouba’s criminal prosecution and resentencing. The court held that such prosecutorial functions are protected by absolute immunity, even accepting Magassouba’s allegation that the prosecution involved incorrect information. Because immunity resolved the claims, the court did not address the defendants’ arguments concerning untimeliness or personal jurisdiction.
Claims Against New York City and White Plains
Magassouba alleged that New York City and White Plains maintained policies or customs allowing employees to arrest people without questioning allegedly false or fabricated warrant evidence. To state a municipal claim under Section 1983, a plaintiff must plausibly allege that an official policy or custom caused the violation of a federal right. The court found that Magassouba’s allegations against both cities were conclusory and lacked detailed facts showing a policy, custom, failure to train, or failure to supervise that caused his alleged injury.
The court therefore dismissed the Section 1983 claims against both municipalities. It also stated that any claims against persons who were no longer parties or were not identified in the operative complaint failed to state a claim.
State-Law Claims and Disposition
After dismissing the federal claims, the court declined to exercise supplemental jurisdiction—the authority to hear related state-law claims—in accordance with 28 U.S.C. § 1367(c)(3).
Judge Kenneth M. Karas granted the defendants’ motions in full. The court dismissed Magassouba’s claims with prejudice because he had already been given two opportunities to plead his claims. The Clerk was directed to terminate the pending motions, mail the opinion to Magassouba, and close the case.
Read the full 23-page opinion on CourtListener, the free public archive maintained by the Free Law Project.