The U.S. Border Patrol's surveillance efforts draw on license plate reader data from nationwide systems operated by the Drug Enforcement Administration, private companies, and local law enforcement programs funded through federal grants.
November 20, 2025
high
operational
Describes the sources of license plate reader data that the Border Patrol may incorporate into its analysis.
U.S. Immigration and Customs Enforcement (ICE) can place an arrest detainer with local authorities to request custody of a noncitizen who is in local custody.
November 17, 2025
high
procedural
Detainers are a tool used by federal immigration authorities to seek transfer of custody from local law enforcement.
A 'sanctuary' jurisdiction is commonly understood to be a state, county, or city that adopts policies limiting cooperation between local law enforcement and federal immigration enforcement agencies.
November 14, 2025
high
definition
Describes the general meaning of the term 'sanctuary' as used in U.S. immigration policy debates.
U.S. federal immigration authorities (such as U.S. Immigration and Customs Enforcement) commonly request that local or state law enforcement hold individuals in custody for potential transfer to federal immigration custody.
November 14, 2025
high
process
Summarizes a recurrent operational practice used by federal immigration agencies to take custody of noncitizens from local authorities.
National Guard units can be ordered in response to an emergency to protect federal property and functions and to support federal and local law enforcement agencies.
November 05, 2025
high
operational
Typical authorities and missions assigned to National Guard forces during declared emergencies.
Some legal and political actors assert that local law enforcement may detain or arrest federal agents if those federal agents violate state law during enforcement actions.
October 23, 2025
medium
legal
Claim reflects a legal and political position about interaction between state law enforcement authority and federal agents' conduct; applicability can depend on legal doctrine and specific circumstances.
Federal law enforcement agencies can transfer investigatory lead between agencies and collaborate with local law enforcement during security incidents and criminal investigations.
October 19, 2025
high
procedural
Interagency coordination allows assignment of primary investigative responsibility to the most appropriate federal agency while maintaining cooperation with local authorities.
Oregon has a statewide sanctuary law that bars state and local law enforcement from participating in immigration enforcement without a warrant.
high
legal
Summarizes the scope and limitation of Oregon's statewide sanctuary statute as described in the article.
U.S. Immigration and Customs Enforcement (ICE) can lodge immigration detainers against noncitizens following arrests by state or local law enforcement.
high
procedural
ICE uses detainers to request that custody-holding agencies notify ICE before releasing an individual so ICE can take custody for immigration enforcement purposes.
Physical disruptions of campus events, such as overturning promotional tables, can lead to local criminal charges such as disorderly conduct and criminal damage to property.
high
temporal
Examples of potential local criminal offenses arising from property damage or disruptive acts on campus.
Law enforcement commonly conducts multi-agency collaborations between local and federal agencies to investigate and disrupt organized gang activity.
high
policing
Coordinated investigations are a standard approach to addressing organized criminal groups.
The U.S. Border Patrol operates a predictive intelligence program that collects license plate reader data and applies algorithms to flag vehicles as suspicious based on factors such as where a vehicle came from, where it is going, and which route it took; flagged vehicles can prompt local law enforcement stops, searches, and arrests.
high
operational
Description of how a vehicle‑monitoring program functions and the downstream law enforcement actions it can trigger.
The Border Patrol's vehicle‑monitoring system incorporates license plate reader data from multiple sources — including Drug Enforcement Administration systems, private companies, and local law enforcement programs funded through federal grants — and deploys cameras that can be disguised in traffic safety equipment like drums, barrels, and traffic cones.
high
technical
Sources of data used in the monitoring system and the methods used to deploy sensors.