u.s. appeal court washington tuesday uphold low court decision allow president donald trump commission investigate voter fraud request data voter roll u.s. state u.s. court appeal district columbia circuit say electronic privacy information center epic watchdog group file lawsuit legal stand seek force presidential commission review privacy concern collect individuals voter data epic argue federal law commission require conduct privacy-impact assessment gather personal data three-judge appeal court panel rule unanimously privacy law issue intend protect individuals group like epic epic voter judge karen henderson write rule washington-based u.s. district judge colleen kollar-kotelly first deny epic injunction request july part collection data commission technically action government agency bind laws govern entities kollar-kotelly note commission head vice president mike pence advisory body lack legal authority compel state hand data state officials oversee elections election law experts say voter fraud rare unite state trump republican set commission may charge without evidence millions people vote unlawfully 2016 presidential election defeat democratic opponent hillary clinton despite lose popular vote commission vice chair kris kobach republican secretary state kansas advocate tough laws immigration voter identification ask state june turn voter information data request kobach include name last four digits social security number address birth date political affiliation felony convictions vote histories 20 state refuse outright others say need study whether could provide data civil right group democratic lawmakers say commission eventual find could lead new id requirements measure make hard group tend favor democratic candidates cast ballot epic executive director marc rotenberg could immediately reach comment u.s. appeal court reject challenge trump voter fraud panel