Service. Gang File: Records on violent gang groups and their members. Known or Appropriately Suspected Terrorist File: Records on known or appropriately suspected terrorists in accordance with HSPD-6. Wanted Person File: Records on criminals (including juveniles who may have been tried as adults) for whom a federal warrant or a felony or misdemeanor warrant is outstanding. National Sex Offender Registry File: Records on people who are required to register in a jurisdiction's sex offender registry. National Instant Criminal Background Check System (NICS) Denied Transaction File: Records on people who have been determined to be classified as a "forbidden person" according to the Brady Handgun Violence Prevention Act and were denied as a result of a NICS background check. (, records include last six months of denied transactions; in the future, records will include all denials.) Violent Person File: Once fully populated with data from the users, this file will contain records of persons with a violent criminal history and persons who have previously threatened law enforcement. Property files: Article File: Records on stolen articles and lost public safety, homeland security, and critical infrastructure identification. Boat File: Records on stolen boats. Gun File: Records on stolen, lost, and recovered weapons and weapons that are designed to expel a projectile by air, carbon dioxide, or explosive action and have been used in the commission of crimes. License Plate File: Records on stolen license plates and vehicles. Securities File: Records on serially numbered stolen, embezzled, used for ransom, or counterfeit securities. Vehicle and Boat Parts File: Records on serially numbered stolen vehicle or boat parts for which the serial number may have been altered or removed. Vehicle File: Records on stolen vehicles (and their license plates), vehicles involved in the commission of crimes, or vehicles that may be taken from the owner by force based on federally issued court order. Validity There have also been issues and concerns regarding arrests and seizures pursuant to mistaken beliefs in the existence of warrants and warrantless probable cause based on inaccurate NCIC information. Queries for immigration status have also been shown to have false positives. See also Criminal Justice Information Services Division Interstate Identification Index Restraining order References External links National Crime Information Center Government agencies established in 1967 Federal Bureau of Investigation Law enforcement databases in the United States Missing people organizations Criminal records Forensic databases