In a press conference at DMP's media center on Friday morning, Deputy Commissioner of Tejgaon Division Ruhul Kabir Khan said, primary involvement of BNP leader Rabiul Alam and Deputy Director of Narcotics Directorate has been found in the murder of Dipta TV officer Tanzil Jahan Islam murder. 

Meanwhile, Police have arrested five people in this incident.

Tanjil Jahan Islam was strangled to death in his house in the Hatirjheel area in the capital Dhaka on Thursday over a disputee with land developers.