Article snippet: A lawyer for Robert Mueller's team investigating Russian meddling in the 2016 election. Counsel for Trump for America Kory Langhofer told ABC News in a statement Saturday, "This morning we sent a letter to the House and the Senate concerning unauthorized disclosure of private and privileged transition emails with the special counsel's office." The letter from Langhofer to the House and Senate Oversight committees, obtained by ABC News, accuses the special counsel's office of obtaining thousands of emails through the national security. Langhofer said the emails that he alleges were illegally provided to Mueller involve 13 transition staff, including four senior officials. The Trump transition legal team claims the disclosure of the emails amounts to "unlawful conduct" as a release of "privileged communications" of nongovernment officials, and that it breaks with years of legal precedent around preserving the privacy of presidential transition teams. The GSA, which assisted the Trump team with administrative functions during the transition to office, including hosting its email services -- did not respond to ABC News' request for comment. A spokesman for the special counsel neither confirmed nor denied Langhofer's allegations, but said in a statement to ABC News, "When we have obtained emails in the course of our ongoing criminal investigation, we have secured either the account owner’s consent or appropriate criminal process." A House Oversight Commi... Link to the full article to read more