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 ...
A man living in the suburbs of Portland, Oregon, has been found guilty in the 1980 cold case murder of a 19-year-old college student after DNA from a piece of chewing gum linked him to the crime.