In 2013, the Cook County, Illinois, medical examiner's office began posting the photos of unidentified bodies online as a way to aid identification of bodies in the Chicago morgue. Both the Milwaukee County, Wisconsin, and Maricopa Country, Arizona, morgues have made similar efforts, according to the Huffington Post.
In 2004, the Clark County, Nevada, coroner posted photos online to help solve the cold cases in the Las Vegas areas, notes PoliceOne.com. As of 2015, the Clark County coroner's office directs site visitors to the National Unidentified and Missing Persons Database.
The U.S. Department of Justice coordinates the National Unidentified and Missing Persons Database. This central, national resource allows identification by various characteristics, such as age or description, then connects to local records about the selected case. Local jurisdictions provide case data, which may include pictures and points of contact.