We’ve all watched crime scenes in movies and TV shows and wondered how accurate and professional they really are. Well now a forensics expert is here to break them all down and point out their many flaws and problems.

The episode is part of the WIRED Youtube series 'Technique Critique', which in the past have included videos focussing on the breakdown of actors' accents and impersonations in various films, and another where a real life doctor breaks down all the good /bad /terrible medical scenes from movies and TV.

In this case, crime scene analyst and investigator Matthew Steiner examines forensics investigations in crime scenes from movies and television.

The crime scenes come from a variety of popular shows and films including ‘The Wire’, ‘NCIS’, ‘Zodiac’, ‘The Flash’, ‘The Boondock Saints’, ‘Heat’, ‘Seven’, ‘The Other Guys’, ‘How to Get Away with Murder’, ‘CSI: Miami’, ‘The Dark Knight’, ‘Dexter’, ‘Insomnia’, ‘True Detective’, ‘Bone Collector’, ‘Criminal Minds’, ‘Family Guy’, ‘Iron Man 3’, ‘Minority Report’ and more.

Watch it below: