20191010-H2-S2 - John Carlin
March 2016 – NSA Director Rogers becomes aware of improper access to raw FISA data.
April 2016 – Rogers orders the NSA compliance officer to run a full audit on 702 NSA compliance.
April 18 2016 – Rogers shuts down FBI/NSD contractor access to the FISA Search System.
April-September 2016 – Rogers continues his investigation.