This is the scene of Watson in Afghanistan, this camera shot is a long shot, so the person watching understands what the surroundings of the War was like, and how this affected Watson.
This is Watson's nightmare! He suffers from being in Afghanistan, and the audience discover he hides a gun in apartment for safety. This shot is a long shot, which shows how Watson lives,the audience have learnt that he feels like he needs to protect him self.
The press Conference:
This is Watson's therapy scene, this is a long shot, in the episode it is a medium shot, this is also so you can see the surroundings and the therapist so you can understand how Watson copes with everyday life since being in Afghanistan.
This scene is of a man, who is believed to have commited suicide, They have shown this camera shot to show aN OVERALL VIEW OF WHAt has happened, it is a mystery that police officers will investigate.
This is the press conference, where reporters go and listen to the police officers, they have used a medium shot, so the audience is clear to what has happened. During this scene the reporters all receive messages which say "Wrong". Later on they recieve another message from Sherlock which says "You know where to find me...SH"
This is when Jon Watson meets an old friend, which is an important scene as you understand Jons life situation, he cant afford to live in London anymore, and he opens up about his army life, which makes the audience understand how Jon is feeling more.