Teenage murderer who did ‘dance of death’ after killing schoolboy is jailed for life and identified

A teenage killer who did a ‘dance of death’ after stabbing a pupil on a bus to settle a ‘school beef’ has been jailed for life at the Old Bailey. Marvin Dyer, 16, plunged a horrific Rambo knife through heart and lungs of 15-year-old Baptista Adjei for revenge for jokes told about him on Snapchat. The killer boarded the bus after a friend on the top deck tipped him off that Baptista was about to get off. Wearing a balaclava…