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Sex Offender Tracking

The National Center for Missing & Exploited Children's Sex Offender Tracking Team® (SOTT) provides technical assistance to help locate noncompliant sex offenders. Created in 2006, SOTT advances our mission to help find missing children and prevent future victimization by attempting to link information about noncompliant sex offenders to unresolved cases of missing and sexually exploited children.

SOTT analysts provide the following types of technical assistance:

  • Conduct searches for noncompliant sex offenders through public record databases, online open-source sites and other internal and external systems.
  • Provide comprehensive analytical reports to assist law enforcement efforts to locate noncompliant sex offenders.
  • Produce timelines of offenders’ histories including places of residence, employment and travel.
  • Examine data regarding attempted abductions, online child sexual exploitation and child abductions for potential links with noncompliant sex offenders.

In addition to the technical assistance listed above, SOTT analysts assist in NCMEC’s clearinghouse role by providing the following resources:

  • Act as a liaison among state registries; the U.S. Marshals Service; and other federal, state and local law enforcement agencies.
  • Conduct biannual surveys of sex offender registries and maintain a count of registered sex offenders in the United States.
  • Make available to the public the number of registered offenders for each state.

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