What's your overall take? do you think evidence was presented to confirm these systems were active around his tenure e.g. 2012? I'm maybe 20% confident they were active.
The first one existed from the 90s. The second was built in response to 9-11, removing privacy protections early 2000s. The third is an interface for searching. As far as I know no one tried to deny XKeyscore exists, then or now.
Snowden built none of these. His document retrieval system allowed him to find out that the programs above were not following the law.
https://en.wikipedia.org/wiki/ThinThread
https://en.wikipedia.org/wiki/Trailblazer_Project
https://en.wikipedia.org/wiki/XKeyscore
The first one existed from the 90s. The second was built in response to 9-11, removing privacy protections early 2000s. The third is an interface for searching. As far as I know no one tried to deny XKeyscore exists, then or now.
Snowden built none of these. His document retrieval system allowed him to find out that the programs above were not following the law.