Using Isotopes to Tell the Stories of the Unidentified

According to the National Missing and Unidentified Persons System (NamUs), 600,000 individuals go missing in the United States each year. While many are quickly found, it is estimated that 4,400 unidentified bodies are recovered each year, with 1,000 of them remaining unidentified after one year. All told, there are currently more than 40,000 sets of […]