exaide to roger j stone jr subpoenaed to appear before grand jury politicsexaide to roger stone is subpoenaed in russia investigation harnikassociated pressjune 28 2018a former aide to roger j stone jr the longtime trump adviser and selfdescribed dirty trickster was subpoenaed to appear before the grand jury hearing evidence in the russia investigation and to hand over documents and his lawyer moved on thursday to quash it in courtthe aide andrew miller has not been mentioned before publicly in the investigation by the special counsel robert s mueller iiimr miller a registered libertarian worked briefly for mr stone around the time of the republican national convention in 2016 helping to arrange media interviews and conducting other tasks according to a person close to mr stone mr miller was also an aide on the campaign for new york governor in 2010 of kristin m davis a former madam whose main adviser was mr stonea lawyer paul kamenar said he filed a motion on thursday on behalf of a client who was subpoenaed to be questioned in front of the grand jury though he did not identify mr miller mr kamenar said the national legal and policy center a conservative nonprofit organization was paying for his serviceshis motion argued that mr muellers appointment was unconstitutional he said peter flaherty the chairman of the policy center said the founders feared exactly what we see in mueller a runaway federal official we hope to see muellers operation disbanded once and for allthough that argument has gained prominence in conservative circles two federal judges have rejected it including this week in the financial fraud case against paul manafort the presidents former campaign chairman the deputy attorney general rod j rosenstein who appointed mr mueller has also repeatedly said he has seen nothing untoward in mr muellers conductmr millers scheduled grand jury appearance was postponed after the motion was filedmr stone has become a focal point for mr muellers investigators in the inquiry into possible collusion between the trump campaign and russias election interference during the 2016 campaign mr stone publicly foreshadowed the released by wikileaks of information damaging to hillary clintons campaignhe has since said that he was informed by an intermediary about the plans of the wikileaks founder julian assange and has denied allegations that he helped collude with foreign powers