Other criminals who have refused to enter the dock include Koci Selamaj, who murdered primary school teacher Sabina Nessa in a park in south-east London in 2021, Zahid Younis, who murdered Henriett Szucs and Mihrican Mustafa in London and kept their bodies in a freezer, and Hashem Abedi, who helped his brother, Salman, murder 22 people in the Manchester Arena bomb in 2017.