@abcnews: "I miss my brother ... I miss his scars on his head ... I miss his laugh ... he laughed so full and so big. Our whole generation lost something huge." Tupac Shakur’s sister, Sekyiwa Shakur, gave an emotional testimony during the sentencing of Duane “Keffe D” Davis in the murder of her brother, Tupac Shakur. Keffe D was sentenced to 40 years to life in prison Tuesday in a Las Vegas court after his conviction in August.