Kenneth Allen McDuff (March 21, 1946 – November 17, 1998) was an American serial killer from Texas. In 1966, McDuff and an accomplice kidnapped and murdered three teenagers who were visiting from California.

Walter Paul Emil Schreiber (21 March 1893 – 5 September 1970) was a medical officer with the German Army in World War I and a brigadier-general (Generalarzt) of the Wehrmacht Medical Service during World War II. He would later serve as a key witness against Hermann Göring during the Nuremberg Trials.

Darren Deon Vann (born March 21, 1971) is an American serial killer. He was arrested on October 18, 2014, for the murder of 19-year-old Afrikka Hardy at a Motel 6 in Hammond, Indiana and has confessed to the murders of six other female victims in Indiana.

Gerald "Jerry" Walter McFadden (March 21, 1948 – October 14, 1999), who called himself The Animal, was an American serial killer and sex offender who was convicted of the May 1986 murders of two women and one man in Smith County, Texas. He fled from jail shortly after his arrest, leading to one of the largest man-hunts in Texas history that came to an end in July of that year.

Timothy James McVeigh (April 23, 1968 – June 11, 2001) was an American domestic terrorist who masterminded and perpetrated the Oklahoma City bombing on April 19, 1995. The bombing itself killed 167 or 168 people (including 19 children), injured 684 people, and destroyed one-third of the Alfred P.