MARWA RASHAD and RAYA JALABI  A Saudi Arabian court has jailed eight people for between seven and 20 years for the 2018 murder of Saudi journalist Jamal Khashoggi, four months after his family forgave his killers and enabled death sentences to be set aside. The trial was criticised by a United Nations official and human rights campaigners who said the masterminds of the murder remained free. Khashoggi, a critic of Saudi Crown Prince Mohammed bin Salman, was last seen at the Saudi consulate in Istanbul on October 2, 2018, where he had gone to obtain documents for his impending wedding.…