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DNA testing helps solve 1972 ‘John Doe’ cold case in Polk County, sheriff’s office says
Read full article: DNA testing helps solve 1972 ‘John Doe’ cold case in Polk County, sheriff’s office saysFifty-two years ago, a person fishing in Polk County found a man dead. Through DNA testing and decades of investigative work, detectives now say the man’s identity has finally been uncovered, as well as that of the men responsible for his murder.