Scripting Mystery Movie Opening Sequence

•  SCENE 1
• Investigator 1; "Interesting..."
• INV 1 flips through files of old unsolved cases obsessively
• diegetic sound of office sounds, phones ringing, conversation
• The camera pans down to the bottom of a filing cabinet, INV 1 slams it shut with their foot
• SCENE 2
• While skimming the files, INV 1 notices similar modus operandi and signs, brushing over them with their finger
• INV 1: "I can't be crazy"
• diegetic office sounds
• foreboding non-diegetic sound on the dialogue
• SCENE 3
• INV 2 snaps at INV 1, breaking their focus
• INV 2: "Hey! We just brought the guy in, let's focus on a case we can actually solve"
• INV 2 walks off and INV 1 follows, revealing a detective board, containing the modus operandi
• diegetic office sounds
• SCENE 4 
• Before both investigators enter interviewing room, INV 2 turns to INV 1
• INV 2: "Don't bring any of your conspiracy theories into this, please"
• as INV 2 enters, INV 1 faces the camera in a voice over
• INV 1 "One thing you need to know, is that I'll do anything for the truth, even if it means driving myself insane"
• INV 1 walks in and shuts the door
• diegetic sound of the SUSPECT sobbing
• All sound mutes during INV 1 voice over
• SCENE 5
• Both INV walk in as INV 2 slams files onto the middle of the table
• Interviewee flinches and cries "I didn't do it.."
• Both INV sit, as INV 2 opens the files and starts to go through them
• INV 2 "Do you love your wife, Daniel"
• SUSPECT, sobbing "Yes"
• INV 2, reaching for suspects hand' "Then help me find out who murdered her"
• Harsh lighting on SUSPECT
• Suspenseful non-diegetic sound
• SCENE 6
• INV 2 flips through files and starts asking the SUSPECT questions
• INV 1 sees the same modus operandi more and more as the interview continues
• INV 1 explodes on SUSPECT, "WHAT DO THEY MEAN"
• INV 2 pulls INV 1 off SUSPECT
• Non-diegetic suspenseful music 
• Diegetic sound of, feet tapping, coffee mug shaking, hand gripping clothes, heartbeat
• Lighting; red
• SCENE 7
• INV 2 pulls INV 1 out of the room
• "Oh my god, what is wrong with you?  Someone died. This isn't a conspiracy theory. Get it together"
• INV 2 Slams door shut
• Diegetic office sounds
• Bright lighting
• SCENE 8
• INV 1 sits on an isolated bench outside
• MYSTERY PERSON sits next to INV 1
• INV 1 "Hey you got a light?"
• MYSTERY PERSON gives lighter, with same modus operandi INV 1 has noticed throughout the day
• Lighting; Dark