beijing china rule communist party scrap practice secretive interrogations know shuanggui president xi jinping say wednesday part broad reform anti-corruption architecture cadres accuse graft disciplinary violations routinely subject extrajudicial detention isolation interrogation party much-feared central commission discipline inspection ccdi ccdi hand case police judiciary prosecution international right group raise concern torture include sleep deprivation use obtain confessions speech wednesday open key twice-a-decade party congress xi say shuanggui apply communist party cadres replace detention xi elaborate immediately clear distinction two officially china describe shuanggui internal disciplinary practice require officials investigation cooperate question designate place designate time practice investigation routinely hold incommunicado without access legal representation number high-profile deaths custody lead discussion reform system early 2013. new trial rule release ccdi january make mandatory video sound record entire interrogation process summon deprive liberty days weeks months time repeatedly interrogate often torture human right watch report say 2016. say least 11 people accord media report die shuanggui since 2010. move scrap practice part wide-ranging legal reform creation new national supervisory commission take ccdi merge multiple anti-graft units single body new agency also expand graft campaign purview include employees state-backed institutions necessarily communist party members ensure supervision cover everyone public sector exercise public power xi say since come power 2012 xi signature anti-corruption drive jail otherwise punish nearly 1.4 million party members emphasize importance improve china rule law architecture congress address xi say china would keep irreversible momentum anti-corruption campaign announce central lead group responsible oversee china law-based governance fight corruption form overwhelm posture strengthen development xi say three-and-a-half-hour speech carry live across nation state television china vow scrap secret interrogations communist party members