When the House Government Oversight Committee finally received the FBI’s summary from its investigation into Hillary Clinton and her private email server this week, it wasn’t pleased with what it found.

The FBI handed over to the committee a heavily redacted investigation summary, as well as the agents’ notes, Fox News confirmed. The materials received were so highly classified that Republican Rep. Jason Chaffetz, the committee’s chairman, could not even read them in their entirety — and Chaffetz wasn’t happy.

“This shows how dangerous it was to have this intelligence, highly classified to this day, on the former secretary’s unsecured personal server where it was vulnerable.”

“As the chairman of the chief investigative body in the House, it is significant I can’t even read these documents in their entirety,” Chaffetz told Fox News. “This shows how dangerous it was to have this intelligence, highly classified to this day, on the former secretary’s unsecured personal server where it was vulnerable.”

The fact that the Clinton notes were so heavily censored when turned over to the House committee highlights just how disastrous and reckless the former secretary of state was when she used of a private email server during her tenure. So much sensitive and nationally compromising information passed through Clinton’s private account; the FBI found that 113 classified emails were sent and received through the server, and 2,000 more were classified afterwards.

More importantly for the impact on the 2016 contest, the heavy redactions likely hampered House GOP efforts to build a perjury case against Clinton.

But the new development that work-related emails from Clinton, never previously disclosed to the public, will be handed over to watchdog group Judicial Watch offers Chaffetz and House Republicans another real shot at building a solid perjury case. These emails came from Clinton’s use of a private email server and were not included in the FBI’s investigation. As Judicial Watch noted, “These records further appear to contradict statements by Clinton that, ‘as far as she knew,’ all of her government emails were turned over to the State Department.”

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“In response to a court order in other Judicial Watch litigation, [Clinton] declared under penalty of perjury that she had ‘directed that all my emails on clintonemail.com in my custody that were or are potentially federal records be provided to the Department of State, and on information and belief, this has been done,'” Judicial Watch noted. “This new email find is also at odds with her official campaign statement suggesting all ‘work or potentially work-related emails’ were provided to the State Department.”

The fresh round of material may give House Republicans, determined to pursue the issue of whether or not the Democratic presidential nominee committed perjury while under oath, just enough to bring forward a real case.

“The evidence collected by the Federal Bureau of Investigation (FBI) during its investigation of Secretary Clinton’s use of a personal email system during her time as secretary of state appears to directly contradict several aspects of her sworn testimony,” Chaffetz and House Judiciary Committee Chairman Rep. Bob Goodlatte from Virginia wrote in a Monday letter to U.S. Attorney for the District of Columbia Channing Phillips.