JMB cadre Faisal Ahmed in a confession said that he and other Jama'atul Mujahideen Bangladesh (JMB) operatives, who were assigned to detonate a bomb at Rajarbagh Police Lines, stayed at the Kakrail mosque for four days before the serial blasts on 17th August. He also said they took necessary training to operate a time bomb. Matiur Rahman Choudhury has more on the story.
