On sites like this, or in investigation/forensic courses. There is always talk about case studies, where such forensic techniques were involved, and often these stories only explore the role that Forensics or the investigation played. However, there is so much more. If forensics and investigation is all you see, you've missed the bigger picture! To appreciate why forensic specialists and investigators do what they do, and why it needs to be done well, there is another perspective you need to see!
Hear real life cases explored from another perspective, by an amazing investigative reporter: Nancy Hixt. https://curiouscast.ca/podcast/398/crime-beat/
Know I do not know Nancy, and have no reason to make this recommendation. Except to say, those I trust and respect, believe this is well done and is something everyone should hear, if they can handle it!
Check it out, share it with others ... its a perspective, we can all learn from!