Thomas Edward Silverstein (born Thomas Edward Conway; February 4, 1952 – May 11, 2019) was an American criminal who spent the last 42 years of his life in prison after being convicted of three separate murders, with a fourth murder conviction being overturned and Silverstein being implicated in a fifth, while imprisoned for armed robbery. Silverstein spent the last 36 years of his life in solitary confinement for killing corrections officer Merle Clutts at the Marion Penitentiary in Illinois.

Ma Fuxiang (traditional Chinese: 馬福祥; simplified Chinese: 马福祥; pinyin: Mǎ Fúxiáng; Wade–Giles: Ma Fu-hsiang, Xiao'erjing: مَا فُ‌ثِیَانْ, French romanization: Ma-Fou-hiang or Ma Fou-siang; 4 February 1876 – 19 August 1932) was a Chinese Muslim scholar, military officer and politician, spanning from the Qing Dynasty through the early Republic of China. His positions illustrated the power of family, the role of religious affiliations and the interaction of Inner Asian China and the national government of China.

Vladimir Nikolaevich Retunsky (Russian: Влади́мир Никола́евич Рету́нский; born 4 February 1950), known as The Povorino Maniac (Russian: Поворинский маньяк), is a Soviet–Russian serial killer and rapist who raped and murdered at least 8 young women in Voronezh and Vologda Oblasts between 1990 and 1996. He had previous convictions for rape and negligent homicide.

Tiago Henrique Gomes da Rocha (born 4 February 1988) is a Brazilian former security guard and serial killer who has claimed to have killed 39 people. He approached his victims on a motorbike and shouted "robbery" before shooting them.

Osmany Cienfuegos Gorriarán (4 February 1931 – 17 May 2025) was a Cuban politician and older brother of Camilo Cienfuegos. He served in various roles in the Cuban government.

Yves Trudeau (4 February 1946 – July 2008), also known as Apache and The Mad Bomber, was a Canadian outlaw biker, gangster, contract killer, rapist, child molester, and serial killer. A former member of the North chapter of Hells Angels in Laval, Trudeau was the club's leading assassin and a major participant in multiple biker conflicts throughout Canadian history, including the Popeyes–Devils Disciples War, the Satan's Choice–Popeyes War and the First Biker War.

Thaksin Shinawatra (Thai: ทักษิณ ชินวัตร, RTGS: Thaksin Chinnawat [tʰák.sǐn tɕʰīn.nā.wát] ; born 26 July 1949) is a Thai former politician, businessman, and police officer who served as the 23rd prime minister of Thailand from 2001 until his overthrow in 2006. Since 2009 he has also been a citizen of Montenegro.