Index/Topics/Biometric Technology

Biometric Technology

The use of biometric technologies, including fingerprint, face, and iris recognition, in identity verification and the challenges associated with these technologies, such as error rates and privacy concerns.

Fact-Checks

7 results
Jan 18, 2026
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How do modern ID scanners and database checks detect forged or altered cards?

Modern ID scanners combine multi-spectral imaging, data extraction and cryptographic checks with database cross-referencing to spot physical forgeries, altered data and electronically cloned documents...

Jan 17, 2026
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Have independent audits or privacy impact assessments of TSA’s ConfirmID or digital‑ID processes been published?

There is no evidence in the provided reporting that an independent audit or a publicly posted Privacy Impact Assessment (PIA) specifically for TSA’s ConfirmID or its broader “digital‑ID”/biometric pas...

Feb 4, 2026

What are the accuracy rates of facial recognition scans at US airports?

Facial-recognition matching used at typically reports very high aggregate match rates—agency and standards documents cite success rates greater than 98 percent or “close to 100%” when automated matche...

Feb 1, 2026

How do DHS IDENT fingerprint matches work and what are their false‑match rates?

’s IDENT fingerprint matching is a large-scale automated-plus-human system that converts fingerprint minutiae into searchable numeric templates, compares new “encounters” against a repository of hundr...

Jan 16, 2026

How does ICE verify identity and citizenship status for arrestees with limited documentation?

ICE uses a mix of documentary checks, database searches, biometric tools and field interviews to establish identity and citizenship, and when arrestees lack standard papers the agency leans heavily on...

Jan 6, 2026

How does ICE identify citizenship status during arrests and processing?

Immigration and Customs Enforcement (ICE) uses a layered approach—document review, database and record checks, and biometric matching—to determine whether someone in custody is a U.S. citizen, but pro...

Jan 6, 2026

What legal alternatives exist if a traveler refuses biometrics at a border?

Refusing a biometric capture at a border does not produce a single universal legal “escape hatch”; jurisdictions and agencies build explicit fallback procedures—manual document review, alternate biome...