John Locke has a clone.... He was cloned giving them identical DNA which is the loophole. All of the inhabitants and the island could not tell them apart. They even share the same memories and time flashes. What is the name of the Bio Sciences Group? Crazy theory, I know. Just thought I would throw it out there and see if there are any takers that might see something in the show that could make it make sense. So, go for it.