Brick Lane Markets :
- Blow up the C4 wall near the CCTV box.
- Dead Body , Room with the C4. Scan area.
Brick Lane Flats
- Your going to have to scan the wall of the room, where we dropped into earlier. It is really hard to find the number. Eventually with some perserverence you should get it ! Inside will be dee letter #3.
- Near the mine field and CCTV box this is an easy one.
- Just outside the nursery, through a hackable door.
Tower of London
- On the ship, hackable door
BRING THE LETTERS TO THE DOCTOR IN THE PALACE .