A Question Of Security Come Nov 11 & 12 In L V

Here is the link to the Marathon Event Video https://www.youtube.com/watch?v=ZhyILjZJbgw Here is the link to the Las Vegas Police Officer's book, be sure to read the excerpt  from his book https://www.amazon.com/Memoirs-Public-Servant-Charleston-Hartfield/dp/1546300848 This is an archive of the recent story about a helicopter's transponder http://archive.is/6jvIb