The legal team representing the widow of the slain reporter say they plan to petition the Supreme Court to order the Ministry of Home Affairs to launch an official investigation into his death.
Three hundred people gathered in central Rangoon on Sunday to denounce the extrajudicial killing of Par Gyi.
Karen villagers are again in limbo on the Thai-Burmese border, having fled conflict in eastern Burma.
Leaders from six Karen armed groups have formed a task force in order to combat drug production and use in the east Burmese state.
Over 200 displaced people who were evicted from Thameelay village have spent two nights at the Karen border after authorities bar their entry into Karen state.