‘Time traveller’ returned from 2036 to warn humanity about horrifying nuclear war

John Titor claimed to be a time traveller from the year 2036 who had come back to the year 2000 to warn of nuclear war and the rise of a despotic regimeIt may sound like the plot of a science fiction film, but some are convinced the mysterious John Titor genuinely travelled back to the year 2000 to warn us of a bleak future for mankind.