FBI Director James Comey testifies March 1 before the House Judiciary Committee on the encryption of the iPhone belonging to one of the San Bernardino attackers. Nicholas Kamm/AFP/Getty Images hide caption

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Apple's online movie and book services have been closed down in China — reportedly on the orders of Chinese censors. Here, an Apple Store in Shenyang is decorated for Earth Day this week. VCG via Getty Image hide caption

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FBI Executive Assistant Director for Science and Technology Amy Hess (from left) testifies on encryption Tuesday before a House panel, alongside the New York City Police Department's Thomas Galati and Indiana State Police Office Capt. Charles Cohen. Manuel Balce Ceneta/AP hide caption

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The official FBI seal is seen on an iPhone camera screen outside the agency's headquarters. With help from a third party, the FBI managed to unlock the iPhone used by one of San Bernardino shooters. Chip Somodevilla/Getty Images hide caption

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The Next Apple-FBI Question: Who Can Know How The iPhone Was Hacked?

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Senate Intelligence Committee Vice Chairman Dianne Feinstein, D-Calif., and Chairman Richard Burr, R-N.C., have introduced encryption legislation. Alex Brandon/AP hide caption

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The Next Encryption Battleground: Congress

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Prosecutor Cody Hiland speaks at a news conference in Conway, Ark., on Aug. 7, after two teenagers were charged in the murders of Robert and Patricia Cogdell. On Wednesday, the FBI agreed to help the Faulkner County prosecutor get access to an iPhone and iPod that belonged to the suspects. Danny Johnston/AP hide caption

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