Musa was named as the main mastermind and coordinator behind the killing, by the actual shooter Masum Mohammad alias Akash. Musa after hiring the killer and arranging arms and gateway bike for him, left Dhaka for Dubai on 12 March.
He later went to Oman and got arrested there on 12 May. A team of Bangladesh Police went there and bring him back to the country on 9 June.
Tipu, former general secretary of Motijheel Awami League, was on his microbus destined for his Khilgaon home on the night of 24 March. He was shot dead by a masked assailant in the capital’s Shahjahanpur area as his vehicle got stuck in traffic.
Rickshaw passenger Samia Afran Prity was also got shot by stray bullets and died on the spot. Tipu’s driver Munna got shot in his hand in the incident.
Tipu’s wife Farhana Islam Dolly filed the case with Shahjahanpur police station.