Jamaah Ansharusy Syariah (JAS) is a splinter group of Jamaah Ansharut Tauhid (JAT), established during August 2014 by Abdul “Iim” Rohim and Rosyid Ridho, the sons of convicted Abu Bakar Ba’asyir.  Ba’asyir expelled his sons and top aides from JAT following their refusal to support his pledge of support to the Islamic State (IS). JAS objective is to rival JAT recruitment for followers in support of the full implementation of Sharia in Indonesia. JAS claimed a membership of 2 000 in Jakarta, West Java, Central Java, East Java, West Nusa Tenggara and Bengkulu.