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

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

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

Cameraman: Claudio Corredor
Audio: Adam Gold
Production Assistant: Ryan Coppola

Postproduction Manager: Alexa Deutsch
Postproduction Coordinator: Ian Bryant
Managing Editor: Doug Larsen
Editorial Assistant: Billy Ward
Junior Editor: Paul Tael

You haven't subscribed to WIRED on YouTube yet? http://wrd.cm/15fP7B7
Listen to the Get WIRED podcast: https://link.chtbl.com/wired-ytc-desc
Want more WIRED? Get the magazine https://subscribe.wired.com/subscribe/splits/wired/WIR_YouTube?sourceEDT_WIR_YouTube_0_Video_Description_ZZ

Follow WIRED:

Instagram https://instagram.com/wired
Twitter http://www.twitter.com/wired
Facebook https://www.facebook.com/wired

Get more incredible science and technology stories with our daily newsletter: https://wrd.cm/DailyYT

Also check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV.

ABOUT WIRED
WIRED is where the future becomes reality. Through thought-provoking stories and videos, WIRED explores the future of business, innovation and culture.

Please take the opportunity to connect with your friends and family and share this video with them if you find it useful.