Last mentioned: Feb 27, 2026
Tracking Allegations
Reports emerge of DHS surveillance technology being used to track legal observers in the field.
IRS Data Ruling
Federal judge rules IRS-DHS data sharing was illegal in nearly 43,000 instances.
Columbia University Incident
University officials accuse DHS of misrepresentations during a student detention.
Congressional Inquiry
Lawmakers demand data from tech companies regarding DHS information sharing practices.
The Department of Homeland Security is under fire for allegedly using advanced surveillance technology to monitor legal observers who oversee immigration enforcement and protests. This development follows recent judicial rulings against DHS for illegal data sharing and growing congressional scrutiny of the agency's relationship with tech data brokers.
This page surfaces every story mentioning Columbia University across our legal coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running legal beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Columbia University was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |