Laboratory scene
The protagonist usually looks through a microscope or dusts an item for prints. It gives the viewer the impression that the user of the equipment is well educated it helps to develop the character also it could find evidence that could add extra suspects or could remove them. The most iconic items for a laboratory would be a microscope, test tube mixer. Language used would include fingerprints, DNA, fibre, hair techniqual words.
Interrogation scene
The detective has a suspect in empty room some heroins will use a form or torture or threats, mabye the sterotypical good cop bad cop. Usaly the suspect is sitting there the detective walks in and starts a tape recorder. Finds infromation and devolpes the detective and the suspect. Iconography would be the empty room with a 1 way mirror the tape recorder next to the wall on the table and 2 chairs. language used would be very limited and the question if a bad cop could be made to manipulate the suspect into saying something bad evidence, "your hair" "your dna".
Eureka moment
Usally has a pan view of the detective panning around his head usaly has the detective finding some evidence that alows him/her to figure out how the crime was comited and who. Alows the plot to move onto the next scene usaly going after the villian. Hand infront of mouth thinking, and after the eureka moment the detective speeds up almost runs. language " wait i've got it! " " it was " "alibi".
Initial crime investigation
The detective arives shows badge to a officer then lifts tape and walks into the crime scene looks around for evidence gets an update from a police offiecer. Adds evience to the case that could give possible leads to add to the plot ot moves into the laborotory scene. Lots police flashing blue lights police crime scene tape the evidence cards.
Arrest/confession
Crime flash back
Chase/dash
Notification of kin
Autopsy
Press conference