"Hammer" computer system used by Brennan and Clapper to spy on Trump, okay'ed by Obama admin.
https://www.thenewamerican.com/tech/computers/item/31173-whistleblower-obama-era-deep-state-surveillance-program-spied-on-trump-judges-others
https://wikileaks.org/ciav7p1/cms/page_29032469.html
https://twitter.com/GregRubini/status/1112520650713899008