The Unfound Podcast

The Charley Project

IntelTechniques.com

FBI: Kidnappings and Missing Persons

DOJ: National Missing and Unidentified Persons System (NamUs)

Google News Archive Search

SPJ: Journalist's Toolbox (Crime)

Insight Crime

INTERPOL: Missing Persons

Federal Bureau of Prisons: Inmate Locator

FBI Records: The Vault

Library of Congress: Digital Collections

Mary Ferrell Foundation

Lost and Found Blog