The Movie Timeline - be obsessive, be very obsessive
Mindhunters - timeline
Over 100 people vanish - the only clue is "Croatoan" carved on a tree, presumed to mean that they had moved to Croatoan Island some 50 miles away, despite no trace of them being found there. (Roanoke Island)
The FBI Academy founds an island complex for training agents in a realistic urban simulation. (Oniega Island)