It seems like I am unable to get enough info to unlock the areas i need to be going into so far all I am able to get is jamie's retinals. I believe i need enricas to move on do i have to go back to previous missons and start over again. THANX

If Emile shot Enrica at the end of JBA pt. 3 because you didn't let the cruise ship blow up, her body's down in the room w/the furnace where you carried the pilot's body to. If she's alive, she'll be waiting for you by the elevator that takes you down below.