Frequently Asked Questions

The number of missing or unidentified persons is available in Missing Person and Unidentified Person Statistics, available on the National Crime Information Center section of the Federal Bureau of Investigation site.

See the following websites for additional information about efforts to locate missing and identify located individuals: 

• National Center for Missing & Exploited Children
• National Missing and Unidentified Persons System
• Missing and Exploited Children

The Bureau of Justice Assistance (BJA) website provides access to information about programs and efforts aimed at improving the justice system's response to people with mental illness. Following are examples of BJA-supported efforts:

• Justice and Mental Health Collaboration Program
• Police-Mental Health Collaboration Toolkit
• Council of State Governments Justice Center Mental Health Program

The Director of the National Institute of Justice is Nancy La Vigne, Ph.D.

Rape clearance statistics are available in the Federal Bureau of Investigation report, Crime in the United States.

Data on family violence are available in the following Bureau of Justice Statistics (BJS) reports:

• Intimate Partner Violence publication series
• select tables in the Criminal Victimization publication series
• Family Violence Statistics: Including Statistics on Strangers and Acquaintances

Visit the Family Violence Special Feature for additional information and resources.

Statistics on individuals sentenced to death in the United States may be accessed from the Capital Punishment section of the Bureau of Justice Statistics (BJS) website.

Missing and exploited children statistics are available in resources from the Office of Juvenile Justice and Delinquency Prevention, Federal Bureau of Investigation, and others. Visit the Statistics section of our Missing Children Special Feature for access to these resources.

For additional information, visit the National Center for Missing & Exploited Children website.

Child sexual abuse statistics are available in the Department of Health and Human Services' annual report, Child Maltreatment. For additional information and topical resources, visit the Child Abuse Special Feature section of our website.

Data on homicides cleared by arrest or exceptional means can be found in the Federal Bureau of Investigation annual Crime in the United States report. These annual reports also provide a definition of crimes cleared by exceptional means.