Duke was a retired Lieutenant Commander of Bangladesh Navy . He worked as the Personal Secretary to Prime Minister Khaleda Zia . Duke and is his brother in law , Directorate General of Forces Intelligence officer Lieutenant Colonel Saiful Islam Joarder were charged with involvement in the 2004 Dhaka grenade attack on former Prime Minister Sheikh Hasina . He is accused of aiding Maulana Tajuddin , main supplier of the grenades used in the attack and member of terrorist groups based in Pakistan , in fleeing Bangladesh . he along with the other accused were indicted on 19 March 2012 . Duke was arrested on 27 August 2010 by the Criminal Investigation Department . He is currently being tried for his role in the attacks . He had secured bail in the case in 2014
2004 Dhaka grenade attack
2004 Dhaka grenade attack
Saiful Islam Duke