There are dozens of popular TV procedurals -- and then there's The First 48. Being a true crime series, the A&E show is obviously very different from the countless fictional versions of homicide detectives. Yet that difference is not just that one is scripted and the other one isn't. The First 48 has been able to highlight some of crime dramas' common tropes simply by raising awareness about how homicide really works. One of the most noticeable is the one that Tulsa Homicide supervisors Sergeant Dave Walker and Lieutenant Brandon Watkins regularly put to shame.
Source：https://www.cbr.com/the-first-48-tv-dave-walker-brandon-watkins/
