The New York Times reports: When the reporter Jason Leopold gets ready to take on the United States government, he psychs himself up by listening to the heavy metal bands Slayer and Pantera.

Mr. Leopold describes himself as “a pretty rageful guy.” He argued recently with staff members at his son’s preschool because he objected to their references to “Indians” and they objected to his wearing family-unfriendly punk rock T-shirts to school meetings.

Mr. Leopold, 45, who works for Vice News, reserves most of his aggression for dealing with the government. He has revealed about 20,000 pages of government documents, some of them the basis for explosive news stories. Despite his appearance — on a recent day his T-shirt featured the band name “Sick of It All” — his secret weapon is the opposite of anarchic: an encyclopedic knowledge of the Freedom of Information Act, the labyrinthine administration machine that serves it and the kind of legal judo often required to pry information from it.

His small office, just off the kitchen in his home here, is littered with envelopes from various branches of the government and computer disks filled with secrets. His persistence has led to numerous revelations — some in documents that have been released exclusively to him, and others in documents that have been released to multiple reporters after pressure has been brought by Mr. Leopold. [Continue reading…]