 Revelations of "gunwalking" led to controversy in both countries, and diplomatic relations were damaged.As a result of a dispute over the release of Justice Department documents related to the scandal, Attorney General Eric Holder became the first sitting member of the Cabinet of the United States to be held in contempt of Congress on June 28, 2012, in a vote largely along party lines in a Republican-controlled House.At Holder's request, President Barack Obama had invoked executive privilege for the first time in his presidency in order to withhold documents that "were not generated in the course of the conduct of Fast and Furious."