Philip Marshall is a classic example of a "in on the inside low level operations man" being wetworked after he tried to blow the whistle and name names:

Short WikiSpooks page on Philip Marshall:

https://wikispooks.com/wiki/Philip_Marshall

His edited interview from an old C2CAM talk-radio episode (2012)

https://www.bitchute.com/video/8hyE65WaP1nF/

YT mirror: https://www.youtube.com/watch?v=ag7tm8Kx5H4

Wayne Madsen and Kevin Barrett discussing his "suicide" after the fact (2013)

https://noliesradio.org/archives/57581

I don't have his first book 'False Flag 911: How Bush, Cheney and the Saudis Created the Post-911 World' (2008)

His second book : The Big Bamboozle 911 and the War on Terror (2012)

https://www.scribd.com/doc/296104327/911-The-Big-Bamboozle-Philip-Marshall-pdf

His third (posthumously published 'fictional narrative') book:

Lakefront Airport (2013)

https://www.scribd.com/document/381263374/Lakefront-Airport