Independent · Updated continuously
Artificial Intelligence in Law Enforcement
Investigative analytics

Police Data Integration and Link Analysis Platforms

Software that merges separate police databases into one searchable environment and maps relationships between people, places and events — constrained in Germany by a Federal Constitutional Court judgment, and unconstrained in the United States.

Palantir Technologies (Gotham); others including Microsoft and IBM Supplier's own site ↗

Data integration platforms do not collect anything. They connect what a police force already holds — incident reports, custody records, intelligence, vehicle data, communications data — into a single searchable environment, and surface relationships between people, places, vehicles and events that would be invisible while the data sat in separate systems.

Palantir's Gotham is the best-known product. The same vendor's immigration enforcement systems are covered separately on this site, and the contrast between the two is the most instructive thing about this category.

WHAT IT DOES

The core capability is link analysis. Given a name, the platform returns not only that person's records but their associations: who they have been stopped with, which addresses connect them to other individuals, which vehicles recur. Analysts describe it as replacing weeks of manual cross-referencing.

The value proposition is genuine. Police forces routinely hold information in systems that cannot talk to each other, and failures to connect existing intelligence feature in a great many serious case reviews.

THE GERMAN CONSTRAINT

Germany is where this technology has been most seriously tested against law, and the outcome is the reason this page exists.

The Federal Constitutional Court has constrained automated data analysis by police, holding that merging databases and applying automated analysis to them constitutes a distinct and serious interference with informational self-determination — separate from the collection of the underlying data, and requiring its own justification and threshold.

The reasoning matters beyond Germany. It rejects the argument that integration is neutral because no new data is gathered. Combining lawfully held datasets creates a capability that did not previously exist, and the court treated that capability as the thing requiring authorisation.

THE CONTRAST

The same vendor's platform operates in the United States with essentially the inverse legal position. No court has constrained it, the contracts have generally been awarded sole-source rather than competitively, and in the immigration context the output is an operational target list rather than an investigative link chart.

Two jurisdictions, one vendor, broadly one capability, and diametrically different governance. That comparison is more informative about the state of police AI regulation than any amount of description of the software.

THE CASE FOR IT

Fragmented data is a real and documented cause of police failure. Where information sufficient to prevent harm existed but sat unconnected across systems, an integration platform addresses precisely that.

Link analysis also produces auditable outputs. A chart showing why the system connected two people is inspectable in a way an opaque risk score is not.

And unlike most systems in this catalogue, the platform adds no new collection. Every input was already lawfully held.

THE CASE AGAINST

The German court's reasoning is the strongest argument against, and it is a judicial finding rather than an advocacy position: integration is not neutral, and the capability it creates requires its own justification.

Association is not evidence. A link chart shows that two people were stopped together; it does not show why, and a person can acquire a prominent position in a network diagram through proximity rather than conduct.

Scope is the practical problem. Once every dataset is searchable together, the constraints on what may be searched become policy settings rather than technical limits — the same structural issue this site records for border biometric databases.

Procurement concentration compounds it. Where one vendor supplies the integration layer across many agencies, the analytical frame those agencies use is shaped by a single commercial supplier.

WHAT IS NOT ESTABLISHED

Which German state forces currently operate the platform, and under what post-judgment authorisation regime, is not established here.

What audit trail exists for a link-analysis query, and whether authorisation is required before running one, is not documented in the deployments reviewed.

No independent evaluation of whether integration platforms improve case outcomes has been identified.

Related subject: Surveillance and Smart Cities

Where this is deployed

Full tracker →
CountryForceStatus
DEHesse, Bavaria and North Rhine-Westphalia state policeGermany, multiple statesOperational
DKRigspolitiet (Danish National Police)NationalOperational

Sources

  1. Bundesverfassungsgericht judgment 1 BvR 1547/19; Deutsche Welle; heise — Hesse, Bavaria and North Rhine-Westphalia state police