Shotspotter starts at 3:00:
https://www.youtube.com/watch?v=jdqBy0HqmnY

EAS California WARNING – SHOTSPOTTER – Las Vegas Now Using High Tech Gunshot Detection System

Published on Dec 11, 2017

EAS California WARNING SHOTSPOTTER Las Vegas Now Using High Tech Gunshot Detection System
http://www.shotspotter.com/company
Las Vegas Sheriff Joe Lombardo Interview