Forensics Expert Answers Crime Scene Questions From Twitter | Tech Support | WIRED

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Published 2022-12-06
Crime scene analyst Matthew Steiner answers the internet's burning questions about forensics and crime scenes. Why don't we use chalk outlines for dead bodies anymore? How did OJ Simpson get acquitted? How many people got away with murder before DNA evidence? How does height affect blood spatter? Matt answers all these questions and much more!

Director: Justin Wolfson
Director of Photography: Samuel Levine
Editor: Ron Douglas
Expert: Matthew Steiner

Line Producer: Joseph Buscemi
Associate Producer: Brandon White
Production Manager: Eric Martinez
Production Coordinator: Fernando Davila

Camera Operator: Claudio Corredor
Audio: Adam Gold
Production Assistant: Ryan Coppola

Post Production Supervisor: Alexa Deutsch
Post Production Coordinator: Ian Bryant
Supervising Editor: Doug Larsen
Assistant Editor: Billy Ward
Junior Editor: Paul Tael

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All Comments (21)
  • @jopo7996
    If Wired stopped getting these experts on, it would be a crime.
  • @tails7799
    He looks like he would be everybody's favorite middle school teacher
  • I actually had the pleasure of working with Matt in the field, and he is a truly an expert on the subject matter and a genuine person.
  • “How many people got away with murder before forensic science improves and DNA?” 1:55 : “a better question would be how many people got wrongfully convicted before forensic science” YES
  • You can tell he testifies often by how simply he explains things. In forensics myself (drug analysis) and this was great!
  • @Sarlat7
    I wish someone asked a question regarding the mental toll of encountering some really gruesome and heartbreaking crime scenes on a regular basis. I appreciate what people in forensics do, but it would be my nightmare job for that reason. Curious on how they deal with it.
  • @khalilahd.
    I love these expert interviews! I never know what I’m going to learn about but I’m never disappointed 😅❤
  • On the unique fingerprint. It does happen that people are close enough to get false positives. In the Spain bombing case, there was a positive fingerprint match on someone in the states who had never been to Spain. If I recall correctly, it was determined they weren't exactly identical, but they were so close that the automated detection had picked them up
  • @K40L4
    Expectation: How to get away with murder? Reality: Here's how we fold a paper into an envelope.
  • @TheDevnul
    As a former computer forensic specialist this was excellent! That magnifying glass analogy was a great example of “baffle them with bull 💩”
  • @momanmirul
    One more question, how do investigators decide to just go back to an old unsolved case and restart the investigation on it? Do they have free time on a random day and just say "Oh, let's try out this new tech on this one cold murder case back in 1963"
  • You have to respect how this guy brings of the fallibility of forensic evidence and wrongful conviction of his own accord. He is careful not even to presume guilt for OJ Simpson. This is the forensic expert we want in the court room.
  • @sp1dvr151
    as someone who wants to specialize in forensics, this is a video i’ve been dying to see and very happy it’s finally happened.
  • @CoriCoid
    Get a forensic anthropologist on here!! They handle the identification of skeletonized remains (when the body doesn't have a face to ID them by) and finger prints
  • @ecvjtv2778
    I wanna see this guy and Victor the mortician to do one together! :D
  • I would like to see him break down movie / TV scenes on what is accurate or incorrect.
  • @jayshap.2892
    Seriously, these series are the reason why I'm still on the internet
  • I need to know more about the "stepfather burying the body in the backyard" case.
  • Wow. I've only ever heard about the court side of the OJ case, never knew about the difficulty in the investigation stage. It was just a perfect storm of Bad.
  • I have an uncle that had a murder charge that was only overturned because of DNA evidence. I guarantee he would have went to prison his entire life without DNA.