Lufuzzaman Babar, Bangladesh’s state minister for Home Affairs alleged that Jamatul Mujahideen , an extremist Muslim group was apparently responsible for a series of massive bomb attacks . In an exclusive interview with VOA , he added confessional statements by the people who have been arrested and other clues and evidences prove that the allegation against Jamatul Mujahideen is true. Mr Babar also claimed that investigations about this unprecedented attacks are making good progress. So far 185 people have been arrested from different parts of the country of which 65 are being quizzed in the joint interrogation cell. FBI and Interpol are likely to be involved in further investigations.