Within the wake of the 2002 Bali bombings, Indonesia launched a serious crackdown on the terrorist group that was plaguing the nation.
However 20 years on, lots of these concerned in Jemaah Islamiyah have now served their sentences and are free once more.
And much from being obliterated, Jemaah Islamiyah (JI) is now gaining energy and turning into extra skilled, based on an skilled.
Senior Director on the Counter-Extremism Challenge Dr Hans-Jakob Schindler informed 9News.com.au the fear group has not but regained its 2002-era prominence.
"There was a gentle trickle of terrorist incidents for which JI is reported to be accountable," Dr Schindler mentioned.
"Whereas JI of outdated was attacking primarily authorities and safety forces in addition to Western targets, a number of the newer JI networks appear to have discovered a lesson from ISIS and at the moment are additionally concentrating on spiritual and ethnic minorities in Indonesia in an obvious try and trigger societal discord."
JI has turned to shocking methods to generate earnings.
The organisation is now working palm oil farms as a way of bankrolling their terror, he mentioned.
Indonesian police mentioned the fear group owns farms in Kalimantan and Sumatra.
Leaders of the group are drawing an earnings from the farms.
Within the wake of the Bali bombings, Indonesia very successfully dismantled most cells of JI and locked up its core management.
However the creation of ISIS sophisticated issues.
"Initially, the authorities had critical issues protecting a few of its prisons, specifically high-security ones beneath management," Dr Schindler mentioned.
"A number of the terrorist prisoners took management of a number of the prisons, even swearing allegiance to ISIS whereas they had been in jail."
However Dr Schindler mentioned Indonesia's efforts to quash JI was hampered by the justice system itself.
"The Indonesian authorities needed to slowly launch a number of the JI members it had arrested after the Bali incident, just because their sentences had completed," Dr Schindler mentioned.
"This led to a reinvigoration of JI in Indonesia once more."
JI's ambition stays to put in an extremist Islamist regime in Indonesia.
However Dr Schindler mentioned there was little indication JI would be capable of acquire traction outdoors Indonesia.