This bill mandates a significant reclassification within the Department of Homeland Security, specifically directing the Assistant Secretary for the Countering Weapons of Mass Destruction Office to treat illicit fentanyl as a weapon of mass destruction. This designation would apply for purposes of Title XIX of the Homeland Security Act of 2002, integrating fentanyl into the existing legal and operational framework for WMD threats. The primary objective of this legislation is to elevate the federal government's response to the illicit fentanyl crisis. By categorizing fentanyl alongside traditional WMDs, the bill aims to mobilize enhanced resources, strategies, and interagency coordination to combat its production, trafficking, and devastating impact more effectively.