The Counter Terrorism and Transnational Crime (CTTC) unit, also the lead investigators of the of blogger and writer Avijit Roy murder case, released a video last night that revealed how the banned militant outfit Ansar Al Islam planned and executed the killing.
Saiful Islam, deputy commissioner of CTTC unit, told The Daily Star last night that they released the video to show how the militants planned and killed the writer.
"We also want to send a message to extremists that no matter how secretly they plan for their crime, they will be exposed and will be brought to the book," he added.
On February 26, 2015, US-based Bangladeshi blogger Avijit Roy and his wife Rafida Ahmed Bonya were attacked near TSC of Dhaka University by a gang of assailants while the couple were walking out of the Ekushey Boi Mela around 8:30pm.
Victim's father Prof Ajoy Roy, a former teacher of Dhaka University, filed the murder case accusing unidentified assailants with Shahbagh Police Station on February 27 that year.
Inspector Muhammad Monirul Islam of CTTC unit submitted the charge sheet to Chief Metropolitan Magistrate's Court in Dhaka on March 11 last year. On August 1, the Anti-Terrorism Special Tribunal of Dhaka framed charges against six members of Ansar al Islam.
Four accused -- Mozammel Hossain Saymon, Abu Siddiq Sohel, Arafat Rahman Siam and Shafiur Rahman Farabi -- are behind the bar. Two other accused -- Sayed Mohammad Ziaul Haque alias Maj (sacked) Zia and Akram Hossain Abir -- are still on the run.
The case is under trial with the special tribunal now.
Bonya, who suffered severe injuries when trying to protect her husband from the attackers that day, is now in the United States.