The Illusion of Local Control
THE CLAIM: Local Sovereignty Against Federal Enforcement The Portland Mayor's 2018 Newsweek opinion piece advocates for 'holding the course' against Immigration and Customs Enforcement (ICE) operations, framing local actions—such as denying access to city-owned property and encouraging non-cooperation—as a legitimate means to resist federal immigration policy. The underlying premise is that
municipal governments possess the sovereignty to impede or redirect the functions of a federal agency operating within their jurisdiction. THE EVIDENCE: Limits of Municipal Power Against Federal Mandates While municipalities can enact 'sanctuary city' policies, which typically limit local law enforcement's cooperation with federal immigration authorities, they cannot legally prevent federal agents
from conducting arrests or investigations within their city limits. Federal law (8 U.S.C. § 1357) grants ICE officers broad authority to question, arrest, and search without a warrant in certain circumstances, regardless of local ordinances. For instance, the Supreme Court's 2012 ruling in Arizona v. United States affirmed federal supremacy in immigration enforcement, albeit with nuances regarding
state-level involvement (SCOTUS, 2012). The Mayor's article refers to denying ICE access to city-owned property. However, this primarily impacts ICE's administrative footprint, not its operational capacity. ICE maintains its own detention facilities and offices, or contracts with private entities, and does not require city council approval to conduct field operations. The proposed tactic is