[5][6] Formed between 2003 and 2004 in Rajshahi District's Bagmara Upazila,[7] the organization initially received support from some government officials, in hopes they would target other insurgents operating in the country.
[9] According to leaked US diplomatic cables, the Prime Minister Khaleda Zia's son, Tarique Rahman, requested the release of the group's leader to their own government.
[11] The organization's leaders included its commander Siddique ul-Islam (better known as Bangla Bhai),[12] and Shaykh Abdur Rahman.
After the Government of Bangladesh offered a large reward for the capture of Bangla Bhai, he was detained by the elite Rapid Action Battalion in Mymensingh District on 6 March 2006.
[14] The JMJB is extremely critical part of the Jamaat-e-Islami Bangladesh party, which it deems as heretical due to its participation in the Bangladeshi political establishment, patronisation of secularism, and sacrilege of Islamic values and principles.