"Behind" as in "created and executed the plot"? Nah.
There were Mo_sad agents dancing in the streets of New York as the first tower fell. They were arrested, had explosives on them, bad cover story and fake ID documents, and released later that day.
The C_A and Mo_sad team up all the time, they're practically a single agency.
"Behind" as in "fully supported it"? Yes.
"Behind" as in "created and executed the plot"? Nah.
There were Mo_sad agents dancing in the streets of New York as the first tower fell. They were arrested, had explosives on them, bad cover story and fake ID documents, and released later that day.
The C_A and Mo_sad team up all the time, they're practically a single agency.