And yet, tomorrow they'll have no qualms making the case that, of course, the government can securely keep backdoor keys to investigate encrypted communications.
Senator McCain started asking questions about how it was possible to maintain citizens' privacy, but at the same time be able to access private data. Then he made it clear what his feelings were on the subject. Basically, his argument boiled down to "But, ISIS!".
"Is ISIS trying to kill Americans?", he asked the FBI director. The director said "yes". Then he said that b/c of ISIS, the govt has to be able to access keys so they can read encrypted data.