A review by New York City's Department of Investigation found an NYPD officer violated the city's sanctuary laws by setting up a system where he would be notified if people federal immigration authorities were looking for interacted with the police department.
The investigation also identified gaps in the NYPD’s current policies that could lead to improper information-sharing with federal immigration authorities. It listed seven recommendations to strengthen the department’s adherence to sanctuary laws.
As part of the investigation, DOI reviewed five incidents from November 2024 through June 2025 where the NYPD interacted with federal law enforcement. Of the five cases, investigators found one instance where an officer assigned to a task force with agents from federal Homeland Security I

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