Forty years after 32-year-old Mary Ann Turner was found strangled in an alley in Spokane, Washington, new DNA technology and a ruse set up by investigators led to the arrest of Turner’s suspected killer.
Dressed in a yellow jail jumpsuit, 74-year-old David Tibbett pleaded not guilty to second-degree murder for Turner’s death, according to KREM.
When Turner was found dead on Nov. 4, 1986, investigators found signs of struggle and a man’s DNA under her fingernails…