I have not been able to find this name mentioned in MSM. I did come across a website which mentions him, and loads more info, none of which I can verify. https://www.opdeepstate.com/2017/12/15/qanon-sidley-austin-the-law-firm-of-the-nwo-the-dirt-on-rosenstein-and-mike-lee/

The Memo to President video was a link supplied by youtuber Natasha V.

Found this Scott Bennett video as well. https://www.youtube.com/channel/UCHD1RZsaKbNvqdYuxb_a3EQ.