P.D.: 72-year-old man used tracking device to stalk ex-girlfriend 02/12/2018 1:04 pm PST Comments KNXV By Joe Enea, KNXV PHOENIX -- (KNXV) -- A 72-year-old man was arrested for reportedly using an electronic device to track his ex-girlfriend. Phoenix police report that on February 7 they arrested Gregory Nelson Johnson, 72, for stalking and aggravated harassment. Police say Johnson was served with an order of protection last November and has violated its terms several times. In January, Johnson reportedly used the victim's debit card to buy an electronic GPS tracking device. He's allegedly been seen at the woman's apartment complex, hiding behind mailboxes, at a restaurant where she was eating and at various stores. The victim took her vehicle to a dealership for inspection. A GPS tracking device was located, magnetically attached to her car. FULL STORY: P.D.: 72-year-old Phoenix man used tracking device to stalk ex-girlfriend - KNXV #Arizona #KNXV #Phoenix Waiting for your permission to load facebook comments.