Eva Dugan (1878 – February 21, 1930) was a convicted murderer whose execution by hanging at the state prison in Florence, Arizona resulted in her decapitation and influenced the state of Arizona to replace hanging with the lethal gas chamber as a method of execution.
Tyrone Delano Gilliam (died November 16, 1998) was a convicted murderer executed by the State of Maryland in 1998.
 Gilliam was convicted and sentenced to die for the kidnapping and murder of 21-year-old Christine J Doerfler on December 2, 1988.
Maurice "Mom" Boucher (born June 21, 1953) is a Canadian convicted murderer, reputed drug trafficker, and outlaw biker—the former President of the Hells Angels' Montreal chapter.
 Boucher led Montreal's Hells Angels against the rival Rock Machine biker gang during the Quebec Biker War (French: "Guerre des motards" ) of 1994 through 2002 in Quebec, Canada.
 In 2002, Boucher was convicted of ordering the murders of two Quebec prison officers (as an effort to destabilize the Quebec Justice system), and is currently serving three life sentences in a Canadian prison.
 He has one known daughter Moragh Boucher and a son Francis Boucher.
Malik Mumtaz Hussain Qadri (1985 – 29 February 2016), better known as Mumtaz Qadri (Urdu: ممتاز قادری‎ ), was a convicted murderer and policeman.
 A follower of Barelvi sect of Islam, he served as a commando of the Elite Police and in the squad of personal bodyguards of then Governor of Punjab Salmaan Taseer.
 On 4 January 2011, he assassinated Taseer for speaking in favor of blasphemy-convicted Asia Bibi and against the blasphemy law.
 He was convicted by the Islamabad High Court, sentenced to death and hanged in February 2016.
Christian Karl Gerhartsreiter (born February 21, 1961) is a convicted murderer and impostor born in Germany who is currently serving a prison sentence in the United States.
 In his late teens, Gerhartsreiter moved to the US where he lived under a succession of aliases while variously claiming to be an actor, director, art collector, a physicist, a ship's captain, a negotiator of international debt agreements, and an English aristocrat.
Colin Pitchfork (born 23 March 1961) is a British convicted murderer and rapist.
 He is the first person convicted of a crime based on DNA fingerprinting evidence, and the first to be caught as a result of mass DNA screening.
 Pitchfork raped and murdered two girls in Leicestershire, the first in Narborough, in November 1983, and the second in Enderby, in July 1986.
 He was arrested on 19 September 1987 and sentenced to life imprisonment on 22 January 1988, after admitting both murders.
Christopher J. Scarver (born July 6, 1969) is an American convicted murderer who also killed serial killer and cannibal Jeffrey Dahmer at Columbia Correctional Institution, Portage, Wisconsin, in 1994.
 Scarver used a 20-inch (51 cm) metal bar he removed from a piece of exercise equipment in the prison weight room to beat Dahmer and another convicted murderer, Jesse Anderson.
 Both Dahmer and Anderson died later from their injuries.
 Scarver was sentenced to two further life sentences for the killings.
Michael Angelo Morales (born October 17, 1959) is a convicted murderer who was scheduled to be executed by the State of California at 7:30 p.m. on February 21, 2006.
 Two hours before the scheduled execution, the State of California notified the 9th Circuit Court of Appeals that they could not comply with a lower federal judge's ruling that the execution must be carried out by a medical professional due to the chemical used in the execution.
 Consequently, California has indefinitely suspended Morales' execution.
 The case subsequently led to a moratorium on capital punishment in California entirely, as the only legal method of execution must be carried out with the participation of a licensed physician, who are ethically prohibited from participating in executions.
Frank Girardot (born 1961, Detroit, Michigan) is an American author, journalist, victim advocate, and radio host.
 He is best known for "Name Dropper" his biography of serial imposter Christian Gerhartsreiter.
 He is CEO of Pegasus Communications, LLC and the former editor and columnist of the San Gabriel Valley News Group.
Lucious Boyd (born March 22, 1959) is an American convicted murderer, rapist, and suspected serial killer.
 While convicted and sentenced to death for the murder of 21-year-old Dawnia Dacosta, he is a suspect in at least ten other homicides or disappearances.
 He was acquitted for the 1993 murder of a man whom he claimed he stabbed in self-defense.

Question: Who wrote the biography of the convicted murderer who was born on February 21, 1961?
Answer: Frank Girardot