Authorities Question CIA Contractors in Connection With WikiLeaks Dump Digital trail has pointed investigators to a team of developers working wi

Investigators probing who may have provided WikiLeaks with classified information about the Central Intelligence Agency’s purported computer-hacking techniques are zeroing in on a small number of contractors who have worked for the agency and may have been disgruntled over recent job losses, according to people familiar with the investigation.

Authorities on Thursday questioned a handful of contractors working in at least two locations in the Virginia suburbs of Washington, D.C., these people said. Law-enforcement officials said no arrests had been made, but one person familiar with the investigation said it was “rapidly unfolding.”

This person added that a digital trail has pointed authorities, at least initially, to a team of software developers working with the CIA’s Engineering Development Group. The group designs tools that, according to the documents released this week by WikiLeaks, the CIA uses to break into smartphones, personal computers and televisions connected to the internet. The more than 8,000 pages of documents that WikiLeaks disclosed appear to have been taken last December from a server that the Engineering Development Group uses, this person said, and that “only a few contractors would have access to.”

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