This paper analyzes one of the New York Police Department’s (“NYPD”) signature international endeavors: the International Liaison Program (“ILP”). It focuses on the political and legal bases for creating and maintaining the ILP. Specifically, the paper examines arguments that the ILP may represent a violation of the U.S. constitutional principles and New York law. The paper illustrates that the existence of the ILP reflects deficiencies of the current state of counterterrorism law in the U.S. and the need to build and perfect the legal institution in the area of domestic counterterrorism operations.