The American Federal Bureau of Investigation (FBI) agency offered a US$5 million reward for information leading to his capture. He was the maker of bombs delivered for usage to several terrorist groups.[5] He was often referred to by the nom de guerre Marwan. He was suspected of leading the Kumpulan Mujahidin Malaysia (KMM), being part of the central command of the Jemaah Islamiyah (JI), and of involvement in the 2002 Bali bombings.