Halper, who was informing the bureau on Trump campaign advisors, is a central figure in the FBI's original investigation into President Donald Trump's 2016 campaign, SaraACarter.com has learned.

These latest developments reveal the expansive nature of what is now a Justice Department criminal probe into the FBI's investigation into the Trump campaign. The revelation also comes on the heels of DOJ Inspector General Michael Horowitz's report regarding the bureau's investigation into the Trump campaign and Russia. Sen. Lindsey Graham, R-SC, announced to Fox News' Sean Hannity Wednesday night the lengthy investigative report will be released to the public on Dec., 9.