A law passed in 2020 was meant to prevent ICE from detaining people in NY courthouses without a warrant.
But a memo now tells court officers to "neither obstruct nor assist" if an ICE agent shows up without a warrant and insists on making an arrest:
hellgatenyc.com/ny-courts-me...
Statewide Memo Tells Court Officers to Let ICE Make Arrests in Courthouses
If federal officers try to execute an arrest without a warrant in a courthouse, the February 6 memo states, “UCS uniformed personnel should neither obstruct nor assist in any way.”