CHELSEA, Mich. (AP) – A 36-year-old mystery about a ring lost at a movie theater has been solved with some simple high-tech sleuthing.

Eddie Johnson of Davison returned the ring last week to Deborah Durden of Chelsea. He found it in 1979 when he was working at a theater at the Genesee Valley mall.

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Durden graduated from Churchill High School in Livonia in 1975. Johnson tells The Ann Arbor News  that he checked and found four people from that class with initials that are on the ring.

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Johnson also discovered that Durden had written about her lost ring on the website. He then found her phone number, contacted her and returned the ring.

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Durden is thankful and says, “I’m going to always be wearing it.”