1. Narc Lab
For Cocaine

3. https://www. youtube. com/watch

6. Since the gunman was not in London the
week before the crime, he could not be Llewellyn,
Merrick, or Halifax. Therefore the gunman is
Cross. Neither Merrick nor Halifax, who kept the
flat under surveillance, is the innocent bystander, so
he must be Llewellyn.
Llewellyn knows Merrick, but not the lookout,
so the lookout must be Halifax. Merrick, by
elimination, must be the planner.