Identified as Muhammad Mufid Murtadho, Untung Sugema Mardjuk, Mukhlis Koifur Rofiq and Risno, they are linked to radical ideologue Aman Abdurrahman, according to Indonesian police .
Investigations show that Aman might have ordered an attack on January 14 in Jakarta from his jail cell in Nusakambangan prison, but it is unclear whether the four suspects deported from Singapore were involved in the hit.
Investigations are under way to determine how they were managing to get to Syria.
All had also gone on the Islamic pilgrimage to Mecca three times, with one of them having been to Syria, where he stayed for several weeks.
Singapore deports four Indonesians allegedly planning to join IS have 121 words, post on en.vietnamplus.vn at 2016-02-24 10:23:02. This is cached page on VietNam Breaking News. If you want remove this page, please contact us.