I must admit, this is what came to my mind when I first saw that it had happened again. If so, it's going to be a tricky one for Universal to resolve... If they have decently strong reason to believe this is what is happening, surely they can't allow them to duel again while the risk is still there... Perhaps they could take a look at the CCTV from around the time of each incident and see if anything shows up seeing as they were both reported? Although there aren't cameras throughout the course surely anyone preparing something like this would be busy with it by the top of the lift, where there is a camera?