President Barack Obama. Photo: Pete Souza/White House.

The Obama administration is withholding from Congress details about how $1.3 billion in U.S. taxpayer funds was delivered to Iran, according to conversations with lawmakers, who told the Washington Free Beacon that the administration is now stonewalling an official inquiry into the matter.

The Departments of State, Treasury, and Justice have all rebuffed a congressional probe into the circumstances surrounding the payment to Iran, which is part of an additional $400 million cash payout that occurred just prior to the release of several U.S. hostages and led to accusations that the administration had paid Iran a ransom.

Read full story at the Free Beacon.