ISLAMABAD: The Supreme Court of Pakistan has upheld the death sentence of culprit Zahir Jaffer, son of a wealthy industrialist, who was found guilty in the murder case of 27-year-old Noor Mukadam, daughter of Shaukat Mukadam, a Pakistani diplomat who served as Ambassador to South Korea and Kazakhstan, who was attacked and killed by Jaffer in his residence in Islamabad, four years ago.