# Terrorist Screening Center **Acronym:** TSC **Entity class:** Legacy organizational name / alias route ## Definition The **Terrorist Screening Center** was the name used from its 2003 establishment until March 19, 2025, for the FBI-administered interagency center that consolidates terrorism-screening and watchlisting information. The organization is now the **[[wiki/Threat Screening Center|Threat Screening Center]]**. The shared acronym **TSC** remained unchanged. Historical audits, litigation, watchlisting documents, and redress records use the former name. This alias route preserves those sources while directing current organizational claims to the renamed center. ## Relationships - **current organization:** [[wiki/Threat Screening Center|Threat Screening Center]]. - **parent:** [[wiki/Federal Bureau of Investigation|Federal Bureau of Investigation]]. - **historical systems and processes:** [[wiki/Terrorist Screening Database|Terrorist Screening Database]], [[wiki/Watchlisting|Watchlisting]], [[wiki/Watchlist Encounter Process|Watchlist Encounter Process]], and [[wiki/Watchlist Redress|Watchlist Redress]]. - **harm analysis:** [[wiki/Watchlist Misidentification|Watchlist Misidentification]], [[wiki/Distributed Erroneous State|Distributed Erroneous State]], and [[wiki/Security Harms Topology|Security Harms Topology]]. - **collection:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]]. ## Sources / Provenance - [FBI — “The Terrorist Screening Center Changes Name to the Threat Screening Center”](https://www.fbi.gov/news/press-releases/the-terrorist-screening-center-changes-name-to-the-threat-screening-center) (2025-03-19). - [FBI — “20 Years at the TSC”](https://www.fbi.gov/news/stories/20-years-at-the-tsc) (2023-12-11; updated to note the 2025 renaming). **As of:** 2026-09-23