It is well-known that the FBI director's position is that laws should require the use of back-doored encryption. His position is both ominous and one that has been refuted by a preponderance of experts as dangerous and impractical.
Well, it's testimony to a lawmaking body. Congress drafts laws, not technical standards; the FBI is there to talk about laws. :)
If you keep reading, you'll see the FBI is not demanding new encryption-related laws "at this time."