"We don't need to ask who you're talking to. We know."

[T]he Obama administration...has brought more prosecutions against current or former government officials for providing classified information to the media than every previous administration combined. [...]

“The Justice Department has always taken seriously cases in which government employees and contractors entrusted with classified information are suspected of willfully disclosing such classified information to those not entitled to it,” a department official explained. “As a general matter, prosecutions of those who leaked classified information to reporters have been rare, due, in part, to the inherent challenges involved in identifying the person responsible for the illegal disclosure and in compiling the evidence necessary to prove it beyond a reasonable doubt.”