What is a Dunaway Hearing?
Court Help defines a Dunaway Hearing thus: The Court must decide whether the police had enough probable cause to make an arrest. Dunaway hearings are always held at the same time as a Mapp, Huntley, or Wade hearing
Dunaway v NY 442 US 200 (1979).
See Criminal Procedure Law 140.05 Arrest Without a warrant; in general
Court Public Access Law Libraries' materials include extensive discussion of Dunaway hearings.