So, we're all aware of Adm. Rogers and Gen. Nakasone Satoshi-sama…
But have you ever looked up the head of the DIA?
Introducing: ROBERT P. ASHLEY, JR.!
Who assumed office on: October 3, 2017, which is less than 48 hours after the Mandalay Bay Shooting.
https://en.wikipedia.org/wiki/Robert_P._Ashley_Jr.
He was preceded by this Obama appointee:
https://en.wikipedia.org/wiki/Vincent_R._Stewart
Now… I can't find whyyyy he left the position… but the timing sure is… "coincidental".