Wow...
I really feel sorry for the US: having one of the biggest budgets in the world for intelligence and not being able to hire a forger with skills that go beyond the ones of a middle-school kid...
With one click on "merge all visible layers" none of those conspiracy Illustrator "experts" would have been able to discover this "manipulation"...
And who the ---- would use a vector-based program to create a fake document, especially when you want to forge a typewriter?
Ans not starting with a blank document is also an unforgivable sin!
Working with digital gfx for 20 years can make you an expert on Photoshop, but it doesn't mean that this person has any knowledge about the technology behind it....
My mom drives a car since over 45 years, but she doesn't know ---- how a motor works, still she is a half-decent driver
Here is a video which shows that these "amazing" discoveries are nothing more than bull: