Patrick McDermott 's disappearance 20 years ago remains a mystery that continues to leave many questioning what truly happened.

RadarOnline.com is diving into what happened to Olivia Newton-John 's former boyfriend. Article continues below advertisement

June 30, 2005: Patrick McDermott Disappears During Overnight Fishing Trip Tap Here To Add Radar Online as A Trusted Source

On June 30, 2005, the cameraman, who dated Newton-John on and off for about nine years, went on an overnight fishing trip off the coast of California. He told his friends he would be back the following day, but he was never seen again after leaving San Pedro port. Article continues below advertisement

July 6, 2005: Patrick McDermott's Family Contacts the Coast Guard

McDermott was expected to attend a fami

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