robert mueller probe. at this point we don t know the precise nature of the charges nor who could be charged. evan perez has more for us. reporter: a federal grand jury in washington approved the first charges in a special investigation led by robert mueller. the charges are sealed under by order of a federal judge. it s unclear what the charges are and at this point it s not clear whether those under indictment have been notified. mueller was appointed in may to lead the investigation into russian meddling in the 2016 u.s. elections, and under the regulations governing the special counsel investigations, deputy attorney general rod rosenstein who has the oversight of the russian investigation would have been made aware of any charges before they were taken before the grand jury. on friday top lawyers who led the mueller probe were seen