Earlier quoted context omitted.
No, it's not "very clear" as the "intelligence" is 100% Twitter-based and zero actual autopsy has taken place, as no one actually died that day. Or so say the hospital staff.
Not sure which of the 70+ documented attacks you are referring to. And the White Helmets would disagree, and are less subject to Syrian governmental “persuasion” than doctors. There is a reason Assad’s government blocked inspectors from examining the latest claimed attack.
> There is a reason Assad’s government blocked inspectors from examining the latest claimed attack.
That did not happen.