But the panel of federal judges found Wednesday that the state’s Democratic leaders violated the rights of Republicans in western Maryland when they used data from the 2010 census to draw the 6th district’s lines with an intent of “flipping” it from a Republican-held seat to one that could elect a Democrat. One of the judges on the panel is from the 4th U.S. Circuit Court of Appeals and two are from the U.S. District Court in Baltimore.