DNA found in chewing gum led to the arrest and conviction of a suspect in a 1980 cold case murder in Oregon

UNITED STATES — DNA found in a piece of discarded chewing gum led to the arrest and conviction of a suspect in a 1980 cold case murder in Oregon, prosecutors say. Robert Plympton, 60, was found guilty last week on one count of first-degree murder and four counts of second- degree murder in the killing of Mt. Hood Community College student Barbara Tucker, according to a news release from the Multnomah County District Attorney’s Office... cnn.com