Police Procedurals: are the Crime Fiction sub-genre that focuses on the police methodology. This includes true-to-life details about forensic investigations and a medical examiner, other police roles.
It is most often told in first person narration from one of the specialists.
In modern-day events, you could excite your reader with the flashy terms used and the equipment that reveals the truth about what really went on in a crime scene.
There is a lot of research needed to be done beforehand, so you are familiar with the correct usage of the flashy terms used. But don’t use too much and imply that the reader is stupid. As we already know from previous posts that the reader is intelligent.