I believe it is the Global Engagement Center in the State Department that allows for
>MI to take over investigations from alphabet agencies
Obama put it in place in March 2016 with EO 13721 (revoked EO 13584)
Developing an Integrated Global Engagement Center To Support
Government-wide Counterterrorism Communications Activities
Directed Abroad and Revoking Executive Order 13584
link:
https://www.gpo.gov/fdsys/pkg/FR-2016-03-17/pdf/2016-06250.pdf
This EO was later picked up in the Omnibus bill that was passed end of 2016 under the Department of Defense
When you do a side-by-side comparison of the 2 EOs you can see that Obama was giving A TON OF POWER to this little-known agency in the State Department!
Things like this: PIC RELATED
The GEC went from being a "supporting agency" to an all powerful agency that can commandeer technology/people resources from the Intelligence agencies and even the intelligence itself. PIC 2 RELATED