In Fiji, people are being attacked from unseen assailants in the water, but it's not clear if there are multiple culprits or a single, persistent perpetrator. Jeremy Wade battles tropical storms and thick jungle in an all-out search for a culprit.In Fiji, people are being attacked from unseen assailants in the water, but it's not clear if there are multiple culprits or a single, persistent perpetrator. Jeremy Wade battles tropical storms and thick jungle in an all-out search for a culprit.