A special agent of the Federal Bureau of Investigation (FBI) arrived in Dhaka on Sunday for the investigatio of January 27 grenade attack in Habiganj. FBI special agent Trung Vu came to Dhaka for the second time to discuss the terms of reference for the agency's participation in the investigation. Former minister and Awami League leader SAMS Kibria was among the five people killed in the grenade blast at Badder bazar in Habiganj district. Hundred others were also injured in the incident. Late SAMS Kibria’s son Dr. Reza Kibria said that FBI should be able to participate in the investigation fully and not partially.