Spy Chief Complains That Edward Snowden Sped Up Spread of Encryption by 7 Years
theintercept.com
theintercept.com
Terrorists, criminals and freedom fighters always used latest encryption tech in hostile environments to protect themselves. Just look e.g. at the files from the South African underground who made it public.
What Clapper (government, military, police, congress) really cares about is mass decryption of the populations communication.