https://apnews.com/2c2d2a064fa7f8b3835648821ca3ecbc > An FBI agent applied for a federal warrant in 2018 to seize a cache of gold that he said had been “stolen during the Civil War” while en route to the U.S. Mint in Philadelphia, and was “now concealed in an underground cave” in northwestern Pennsylvania, according to court documents unsealed Thursday. > The newly unsealed affidavit confirms previous reporting by The Associated Press that the federal government had been looking for a legendary cache of gold at the site, which the agency had long refused to confirm. In any case, the agency said, the dig came up empty.