Hendrawan grew up in the town of Pekanbaru Indonesia, and then went on to complete his Islamic studies at Pondok Ngruki The religious school founded in 1972 by the 'spiritual head' of Jemaah Islamiah, Abu Bakar Bashir, and Abdullah Sungkar.
He scouted the targets, taught the Sari Club suicide mujahid how to drive and he even detonated himself the smaller of the bombs outside the US consulate.
A report released in August 2020 by the United States-Indonesia Society (USINDO) described the events as follows:[1] The investigators were thus able to recreate the bombers activities.
Amrozi, Idris and Ali Imron had simply walked into a dealership and purchased a new Yamaha motorbike, after asking how much they could re-sell it for if they returned it in a few days.
He stopped near the Sari Club, instructed one suicide bomber to put on his explosives vest and the other to arm the vehicle bomb.