By Daily Mail Reporter Last updated at 7:09 PM on 11th August 2011 The FBI has joined the frantic hunt for a female American tourist missing in Aruba, as authorities on the Caribbean island continued to hold her supposed travel partner who insists she drowned in a snorkelling accident. Gary Giordano, from Maryland, is being held in prison on the island as authorities stepped up the effort to fins out what happened to his friend, 35-year-old Robyn Gardner. He has said she disappeared in a tragic accident while they were snorkeling off the western tip of the island. Scroll down for video
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Gary Giordano 'emphatically denies' any involvement in Robyn Gardner's disappearance
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Friends say despite the wild tattoos, she was a gentle soul
realised they were being pulled out to sea by the current and @placeholder