"The introduction of the civil investigation allows us to request documents and produce evidence to establish that kind of responsibility, " public prosecutor Cesar Carlan said, according to state media.

CNN: STORY HIGHLIGHTS

Therefore, we respectfully request that you immediately take steps to establish a bicameral investigative committee with subpoena and deposition powers and with the requisite staff needed to conduct such hearings as are necessary to prepare a truly authoritative and independent report as soon as possible.

CENTERFORSECURITYPOLICY: benghazi-congress-letter

Rather, it is the coincident sharing of those secrets concurrently with the requested access of information held within a particular system, especially if the secrets are shared by a separate route from the rest of the requests made, which serves to establish the unique validity of the claimant's request.

ECONOMIST: Fake ID cards

Some analysts said that Boeing's request to start test flights may be a way for them to establish that the battery issues that impacted the JAL and ANA flights may have been unique to those two planes.

BBC: Dreamliner crisis: Boeing seeks test flight for 787