Nikolai Vasilievich Chigirinsky (Russian: Никола́й Васи́льевич Чигири́нских; born 17 July 1983), known as The Pervouralsk Ripper (Russian: Первоуральский потрошитель), is a Russian serial killer.

Yang Xinhai (Chinese: 杨新海; pinyin: Yáng Xīnhǎi; 17 July 1968 – 14 February 2004) was a Chinese serial killer and mass murderer who confessed to committing 67 murders and 23 rapes between 2000 and 2003. He was sentenced to death and executed.

Željko Ražnatović (Serbian Cyrillic: Жељко Ражнатовић, pronounced [ʒêːʎko raʒnâːtoʋitɕ]; 17 April 1952 – 15 January 2000), better known as Arkan (Serbian Cyrillic: Аркан), was a Serbian warlord, mobster and head of the Serb paramilitary force called the Serb Volunteer Guard during the Yugoslav Wars, considered one of the most feared and effective paramilitary forces during the wars. His paramilitary unit was responsible for numerous crimes in Eastern Bosnia, including murder, pillaging, rape and ethnic cleansings.