Edward George McGregor (born March 29, 1973) is an American serial killer. A former UPS delivery driver, McGregor raped and killed four women in the Greater Houston area between 1990 and 2006.

Lavrentiy Pavlovich Beria (29 March [O.S. 17 March] 1899 – 23 December 1953) was a Soviet politician and one of the longest-serving and most influential of Joseph Stalin's secret police chiefs, serving as head of the NKVD from 1938 to 1945 during the country's involvement in the Second World War.

Louis-Amadeo Brihier Lacroix, better known as Émile Dubois (29 April 1867 – 26 March 1907) was a French serial killer and robber, known as a folk hero in Chile.

Ronald Herron (born March 30, 1982), known as Ra Diggs, is an American former rapper and convicted murderer who is serving a life sentence at the ADX Florence prison in Colorado.

Albert Pierrepoint ( PEER-poynt; 30 March 1905 – 10 July 1992) was an English hangman who executed between 435 and 600 people in a 25-year career that ended in 1956. His father Henry and uncle Thomas were official hangmen before him.

Jimmy Chérizier (French pronunciation: [dʒimi ʃeʁizje]; born 30 March 1977), nicknamed Barbecue (Haitian Creole: Babekyou), is a Haitian rebel and reputed gang leader, former policeman, and warlord who is the head of the Revolutionary Forces of the G9 Family and Allies (Haitian Creole: Fòs Revolisyonè G9 an Fanmi e Alye), abbreviated as "G9" or "FRG9", a federation of over a dozen Haitian gangs and armed groups based in Port-au-Prince. Known for often making public appearances in military camouflage and a beret, he calls himself the leader of an "armed revolution".

George Sutherland Currie (also known as "Flat-Nose"; March 20, 1871 – April 17, 1900) was a Canadian-American robber of the American Old West. Curry was a mentor to Harvey Logan, who would adopt the surname Curry, and the two robbed banks together before both became members of Butch Cassidy's Wild Bunch.

Slobodan Praljak (Croatian pronunciation: [slobǒdan prǎːʎak]; 2 January 1945 – 29 November 2017) was a Bosnian Croat war criminal and general found guilty by the International Criminal Tribunal for the former Yugoslavia (ICTY) of committing violations of the laws of war, crimes against humanity, and breaches of the Geneva Conventions during the 1992–1994 Croat–Bosniak War.

Louis "Little New York" Campagna (March 31, 1900 – May 31, 1955) was an American gangster and mobster and a high-ranking member of the Chicago Outfit for over three decades.

Alexander Vladimirovich Murylev (Russian: Алекса́ндр Влади́мирович Мурылёв; born 31 March 1971), known as Yeltsin's Culler (Russian: Санитар Ельцина), is a Russian serial killer and former real estate broker. Between 1993 and 1994, he killed eight people in order to seize and then sell their apartments, making him one of the first black realtors in Russia.

Jane Toppan (born Honora Kelley; March 31, 1854 – August 17, 1938), nicknamed Jolly Jane, was an American serial killer who murdered 12 people in Massachusetts between 1895 and 1901, although she confessed to killing 31 and is suspected of killing more than 100. The killings were carried out in Toppan's capacity as a nurse, targeting patients and their family members.

Alexander Nikolayevich Vasilyev (Russian: Александр Николаевич Васильев; (31 March 1958 – 28 January 2020), known as The Black Angel (Russian: Черный ангел), was a Russian serial killer who committed 17 murders in Krasnoyarsk from 1997 to 2001, out of an apparent homicidal mania. Despite the severity of his crimes, he was given a relatively lenient 25-year sentence, which was successfully reduced on appeal to 21 years and 10 months.

Pavel Anatolyevich Sudoplatov (Russian: Павел Анатольевич Судоплатов; Ukrainian: Павло́ Анато́лійович Судопла́тов, romanized: Pavlo Anatoliiovych Sudoplatov; July 7, 1907 – September 24, 1996) was a senior Soviet official in the intelligence services of the former Soviet Union whose career spanned over 34 years in the different intelligence branches of the Soviet Armed Forces.