N.Y. Crim. Proc. Law § 570.34

§ 570.34 Arrest of accused without warrant therefor.\n The arrest of a person in this state may be lawfully made also by any\npolice officer or a private person, without a warrant, upon reasonable\ninformation that the accused stands charged in the courts of another\nstate with a crime punishable by death or imprisonment for a term\nexceeding one year; but when so arrested the accused must be taken\nbefore a local criminal court with all practicable speed and complaint\nmust be made against him under oath setting forth the ground for the\narrest as in the preceding section; and, thereafter, his answers shall\nbe heard as if he had been arrested on a warrant.\n