: The National Institute of Standards and Technology (NIST) hosts the Computer Forensic Reference Data Sets (CFReDS) , which include zip files of simulated forensic data for testing tools.
: This data is strictly controlled. Access is limited to authorized federal, state, and local law enforcement for generating "investigative leads" rather than positive identifications. Download FBI Faces zip
: Managed by NIST, this is one of the most famous datasets for facial recognition research, containing thousands of images under controlled conditions. : The National Institute of Standards and Technology
: As of recent reports, the FBI has access to over 641 million photos , including 30 million criminal mugshots and millions of civil photos from driver's licenses and passports. Download FBI Faces zip