B detective leaves to get his partner a drink, while A detective looks in his partners files to see all the records they have on the killer.
There will be alarming music used in this scene (non diagetic) to raise suspicions, as to why the murder weapon hidden under his partner's desk.
Scene ends with close up of A detectives face in shock and alarming, as questions race through his head. Leaving the audience asking, is his partner a part of the crime? Or is this part of the murder's scheme.
A detective phones his partner, the british detective to inform him of what has happened and that he is returning to headquarters.
Establishing A detective is back a headquarters, there will be diagetic background sound of people talking and other phones, with other detectives walking in front of the building.
B detective is comforting A detective after his injury, show the close relationship the two partners have.