Do note, this is something published on Greer's site. I know there's a lot of hullaballoo around the guy, so read it with a bag of salt nearby. Nothing concrete, just a lot of claims. But, I haven't seen this discussed really yet. It's basically going deeper into some of what he said in his press conference a few weeks back. Pasting most of the first page below. In total, 3 pages of stuff like this. Again, can't really find any discussion one way or another and there's nothing but claims in here without anything to back it up. Fun read though.

BRIEFING FOR US GOVERNMENT 
The constitutional United States Government (USG) needs detailed information on rogue 
unconstitutional Illegal Secret Government (ISG) UAP/UFO and related technologies in order to properly 
investigate and ultimately control by all means necessary the now imminent danger of the ISG. 

BACKGROUND:

ISG projects have benefited from approximately 80 years of research and development and trillions of 
dollars related to Advanced Technology (AT) UFO/UAP objects. This includes two primary pathways: 

1. Development of highly classified human breakthroughs in physics, electromagnetic field energy and 
propulsion systems, material science and medical and biomedical technology. These technologies have 
been run through unsanctioned projects, and without supervision of the USG. These include still - 
classified technologies from the late 1800s through today. 

2. Reverse engineering of downed extraterrestrial vehicles (ETVs) since the mid-1940s through today. 
These ISG dual pathways, while highly compartmented, have resulted in applied technologies that have 
been developed into AT reconnaissance, surveillance, fixed and mobile weapon systems and AT craft 
that are extremely advanced. The USG is unfortunately, many decades behind and orders of magnitude 
disadvantaged technologically versus the ISG. 

This technology gap must be factored into any plans going forward by the Congress, Pentagon, White 
House and other USG agencies related to UAP/UFO investigations and actions. Failure to do so is very 
likely to result in catastrophic consequences for the USG, the American people and the world. 
The ISG, beginning in the mid-1950s, achieved substantial breakthroughs in energy and propulsion, 
electromagnetic weapons and surveillance systems and other technologies that neutralize conventional 
signals intelligence and USG security protocols completely. 

The ISG weapon systems and AT craft are now so advanced and unsupervised as to present an urgent 
national security threat far exceeding the current threat matrix of China, Russia, Iran, North Korea and 
others. They certainly exceed the threat from nuclear weapons.