H.R. 3881 (119th)Bill Overview

Stop Dangerous Sanctuary Cities Act

Immigration|Immigration
Cosponsors
Support
Republican
Introduced
Jun 10, 2025
Discussions
Bill Text
Current stageCommittee

Referred to the Committee on the Judiciary, and in addition to the Committees on Transportation and Infrastructure, and Financial Services, for a period to be subsequently determi…

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The Stop Dangerous Sanctuary Cities Act requires that State or local governments and their officers who comply with Department of Homeland Security (DHS) detainers under INA sections 236 or 287 be treated as agents of DHS and be vested with the same authority and federal employment status for those actions. It provides that states, subdivisions, or officers acting to comply with such detainers face no liability in legal proceedings for those actions, substitutes the United States as defendant, and makes the Federal Tort Claims Act (28 U.S.C. §1346(b)) the exclusive remedy, while preserving liability for knowing civil or constitutional rights violations.

Why people may split

Scope and acceptability of conditioning federal community development funds on local immigration-enforcement cooperation (liberal strongly opposes; conservatives support).

Watch point

Relative to its intended legislative type, this bill is a substantive policy change that is generally well-specified in statutory amendments and legal effects but lacks important implementation and fiscal detail.

The Stop Dangerous Sanctuary Cities Act requires that State or local governments and their officers who comply with Department of Homeland Security (DHS) detainers under INA sections 236 or 287 be treated as agents of DHS and be vested with the same authority and federal employment status for those actions.

It provides that states, subdivisions, or officers acting to comply with such detainers face no liability in legal proceedings for those actions, substitutes the United States as defendant, and makes the Federal Tort Claims Act (28 U.S.C. §1346(b)) the exclusive remedy, while preserving liability for knowing civil or constitutional rights violations.

The bill defines “sanctuary jurisdiction” as a state or political subdivision that bars sharing immigration/citizenship information or refuses to comply with DHS detainers (with a narrow victim/witness exception).

Passage20/100

Content alone suggests a low probability of becoming law because the bill addresses a polarizing policy area (sanctuary policies/immigration enforcement), imposes substantial fiscal penalties on localities, and centralizes authority in ways that invite constitutional and statutory legal challenges. While it could advance in a chamber where its supporters are dominant, the absence of compromise mechanisms and the significant pushback from affected jurisdictions and program stakeholders make successful navigation of both chambers and likely Senate supermajority thresholds unlikely without substantial changes.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a substantive policy change that is generally well-specified in statutory amendments and legal effects but lacks important implementation and fiscal detail.

Contention70/100

Scope and acceptability of conditioning federal community development funds on local immigration-enforcement cooperation (liberal strongly opposes; conservatives support).

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Local governments · Federal agenciesLocal governments · Communities

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Local governmentsProponents could argue the bill improves public safety by increasing information sharing and cooperation between local…
  • Local governmentsLocal officers who comply with DHS detainers would receive federal authority recognition and litigation protection (sub…
  • Federal agenciesWithholding EDA and CDBG eligibility from sanctuary jurisdictions creates a financial incentive for jurisdictions to ch…
Likely burdened
  • Local governmentsCritics could point to loss of EDA and CDBG funds for designated sanctuary jurisdictions causing reductions in infrastr…
  • CommunitiesThe policy may chill community policing and reduce reporting by immigrants who fear immigration consequences, which cri…
  • Local governmentsOpponents may argue the bill expands federal authority into traditional state/local functions and supervisory control o…
03 · Why people split

Why the argument around this bill splits.

Scope and acceptability of conditioning federal community development funds on local immigration-enforcement cooperation (liberal strongly opposes; conservatives support).
Progressive15%

A mainstream liberal/left-leaning observer would likely view the bill as a punitive federal effort to coerce state and local governments into enforcing federal immigration detention requests, undermining local discretion and public-safety-focused immigrant-protection policies.

They would be concerned that conditioning key community development funds on immigration enforcement will harm vulnerable communities and discourage immigrant victims and witnesses from cooperating with police.

The immunity and substitution provisions are likely to be seen as reducing accountability for civil-rights violations despite the bill’s stated carve-out for knowing violations.

Likely resistant
Centrist55%

A centrist/moderate would likely see legitimate goals in strengthening cooperation between local and federal law enforcement to remove dangerous criminals, but would be concerned about overbroad funding penalties, federalism, and civil-legal consequences.

They would note the bill’s attempt to provide legal protections for officers who follow DHS detainers as practical, but would worry about constitutional challenges and unintended harms to community trust.

A pragmatic centrist would seek clarifications on when detainers are lawful and on mechanisms to protect victims and local priorities while preserving public-safety aims.

Split reaction
Conservative90%

A mainstream conservative observer is likely to view the bill favorably as strengthening immigration enforcement by ensuring state and local cooperation with DHS detainers, removing legal disincentives for compliance, and penalizing jurisdictions that obstruct information-sharing or detainer compliance.

They would see the funding restrictions as a necessary lever to prevent local governments from undermining federal law.

Conservatives would welcome the substitution of the United States as defendant and immunity provisions as protecting officers who enforce immigration laws in good faith.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood20/100

Content alone suggests a low probability of becoming law because the bill addresses a polarizing policy area (sanctuary policies/immigration enforcement), imposes substantial fiscal penalties on localities, and centralizes authority in ways that invite constitutional and statutory legal challenges. While it could advance in a chamber where its supporters are dominant, the absence of compromise mechanisms and the significant pushback from affected jurisdictions and program stakeholders make successful navigation of both chambers and likely Senate supermajority thresholds unlikely without substantial changes.

Scope and complexity
52%
Scopemoderate
52%
Complexitymedium
Why this could stall
  • Who (which federal official or agency) would administratively designate or determine that a jurisdiction meets the bill’s definition of a ‘sanctuary jurisdiction’—the bill defines the term but does not set an administrative process for designation or notice/remedy for jurisdictions.
  • The magnitude of fiscal impact is not quantified in the bill text; no cost estimate is included here and withholding/reallocation mechanics could produce significant local and federal budgetary effects.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Scope and acceptability of conditioning federal community development funds on local immigration-enforcement cooperation (liberal strongly…

Content alone suggests a low probability of becoming law because the bill addresses a polarizing policy area (sanctuary policies/immigratio…

Unlocked analysis

Relative to its intended legislative type, this bill is a substantive policy change that is generally well-specified in statutory amendments and legal effects but lacks important implementation and fiscal detail.

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis