Detective Branch (DB) of Dhaka Metropolitan Police (DMP) believe they have cracked a hitherto clueless murder in the city's Dakkhin Khan, arresting six gangsters from Dhaka and Moulvibazar. The arrestees were identified as Md. Khaled Khan Shubo, Md. Tipu, Md. Hasanul Islam alias Hasan, Md. Jahangir Hossain, Abdul Majid and Md. Sumon. The detectives also recovered a Swiss gear, an autorickshaw used by the victim  and a mobile phone from their custody. Based on secret information, the Airport Zonal team of DB (Uttara division) carried out simultaneous drives in a number of places in Dhaka city and Rajanagar thana areas of Moulvibazar district on Friday and early Saturday and arrested the six gangsters. Briefing reporters at DMP's media center on Saturday, Additional Commissioner (Detective) of DMP Mohammad Haroon-ur-Rasheed said at around 9pm on December 7 last year, victim Md. Mustafa came out from his Dakkhin Khan residence to drive his battery-powered autorickshaw. As he did not return at night, his mother registered a general diary with Dakkhin Khan police station. Later on December 17 at around 1.45 am, the victim's mother came to know through a local that an unidentified dead body was found on a vacant plot in Asian City under Dakkhin Khan police station. The victim's mother and father quickly went to the spot and identified their son Mustafa. In this incident, the victim's mother then filed a murder case at Dakkhin khan police station. The DB chief said that the airport zonal team of DB (Uttara Division) started a shadow investigation of the case. During the investigation, the accused involved in the incident of the case were identified using information technology. After that raids were conducted in Rajnagar Thana area of Moulvibazar district along with various areas of the capital and arrests were made.