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1 1 (February 24, 2021)

handle is hein.crs/goveciq0001 and id is 1 raw text is: Congressional ~ Research Service E I informing the tegisIative dibate since 1914 U.S. Capitol Attack and Law Enforcement Use of Facial Recognition Technology February 24, 2021 On January 6, 2021, U.S. Capitol security was violently breached while Congress was in session to vote on the certification of the 2020 presidential election. Many participants in the attack reportedly intended to disrupt this process. Some clashed with law enforcement, leaving five dead and many more injured. Some have been charged with violations including crimes against persons and federal property. Some allegedly carried firearms and other weapons. Law enforcement also uncovered explosive devices near Capitol grounds. Participants, media, and others documented the attack on the Capitol in photographs and video. Law enforcement, such as the Federal Bureau of Investigation (FBI), is seeking this digital content and other evidence to assist its investigation. Among the tools that law enforcement agencies may employ to identify potential criminal suspects depicted in digital content is facial recognition technology (FRT). While some have reported a possible uptick in law enforcement use of FRT following the Capitol attack, the extent to which FRT has been used to identify suspected rioters is unknown. Law Enforcement Use of FRT FRT, which compares images of faces using facial geometry, is one biometric tool employed by law enforcement. FRT can be used to generate suspect leads, identify victims, sort faces in photos that are part of forensic evidence, and verify the identity of inmates being released from prison. FRT is generally used by law enforcement in one-to-many searches (comparing features of aprobe photo with those in a database of images) to produce a gallery of potential suspects ranked by similarity-not a single affirmative match. FBI Use of FRT The FBI operates two FRT programs: (I) the Next Generation Identification-Interstate Photo System (NGI-IPS), largely supporting state and local law enforcement; and (2) the Facial Analysis, Comparison, and Evaluation (FACE) Services Unit, supporting FBI investigations. . NGI-IPScontains criminal mugshots, and the system allows authorized law enforcement users to search probe photos of unknown persons against faces in the databasefor potential investigative leads. Congressional Research Service https://crsreports.congress.gov IN11614 CRS INSIGHT Prepared for Membersand Committeesof Congress

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