Question: David Kaczynski is the younger brother of Ted Kaczynski, a man who is famous for what?

Context paragraphs:
David Kaczynski: David Kaczynski (born October 3, 1949) is the younger brother of the "Unabomber" Theodore Kaczynski.  His memoir, "Every Last Tie: The Story of the Unabomber and His Family", details David's relationship with his brother and parents, and the difficult decision that David and his wife faced when they came to suspect that Ted was the Unabomber.

Enzo Moser: Enzo Moser (5 November 1940 – 25 July 2008) was an Italian professional road bicycle racer from 1962 to 1967.  He was the first winner of the Giro del Trentino in 1962.  He came from a famous family of cyclists, the most famous of whom is his younger brother Francesco Moser.  It also includes older brother Aldo Moser, younger brother Diego and nephews Leonardo Moser and Moreno Moser, all of whom are or were professional cyclists.  His achievements also include two days in the pink jersey during the 1964 Giro d'Italia.  He was born in Palù di Giovo, Trentino, which incidentally is also the birthplace of Gilberto Simoni.  Enzo Moser was killed in an agricultural accident on 25 July 2008.

Boreel baronets: The Boreel, later Boreel Baronetcy, of Amsterdam in the Netherlands, is a title in the Baronetage of England.  It was created on 21 March 1645 for William Boreel.  He was Dutch Ambassador to England, Sweden and Venice.  The title descended in the direct line until the death of his grandson, the third Baronet, in 1710.  The late Baronet died unmarried and was succeeded by his younger brother, the fourth Baronet.  He died without male issue and was succeeded by his first cousin, the fifth Baronet.  He was the son of James Boreel, younger son of the first Baronet.  He died childless and was succeeded by his nephew, the sixth Baronet.  He was the son of James Boreel, younger brother of the fifth Baronet.  He never married and was succeeded by his first cousin once removed, the seventh Baronet.  He was the grandson of John Hieronymous Boreel, younger brother of the fifth Baronet.  His son, the eighth Baronet, was created a Jonkheer in the Dutch nobility.  The title descended from father to son until the death of his grandson, the tenth Baronet, in 1937.

Judy Clarke: Judy Clare Clarke (born 1952) is an American criminal defense attorney who has represented several high-profile defendants.  She has negotiated plea agreements that spare her clients the death penalty, as was the case for Eric Rudolph, Ted Kaczynski, and Jared Lee Loughner.  In the case of Susan Smith, Clarke argued to the jury that ultimately voted against imposing the death penalty.

Unabomber: The True Story: Unabomber: The True Story is a 1996 American television film starring Tobin Bell as Ted Kaczynski, who is also known as the Unabomber.

Rogers baronets: The Rogers Baronetcy, of Wisdome in the County of Devon, was a title in the Baronetage of England.  It was created in 1699 for John Rogers, a merchant and Member of Parliament for Plymouth.  His son, the second Baronet, and grandson, the third Baronet, also represented Plymouth in Parliament.  The latter was childless and was succeeded by his younger brother, the fourth Baron.  He was a Captain in the Royal Navy.  His son, the fifth Baronet, sat as Member of Parliament for Plymouth.  He was succeeded by his eldest son, the sixth Baronet.  He sat as Member of Parliament for Callington and was also a composer.  He was unmarried and was succeeded by his younger brother, the seventh Baronet.  The latter was succeeded by his eldest son, the eighth Baronet.  He was a prominent civil servant and notably served as Permanent Under-Secretary of State for the Colonies from 1860 to 1871.  In 1871 he was elevated to the Peerage of the United Kingdom as Baron Blachford, of Wisdome and of Blachford in the County of Devon (Blachford House, Cornwood, near Ivybridge).  He died childless in 1889 when the barony became extinct.  He was succeeded in the baronetcy by his younger brother, the ninth Baronet.  The latter was in his turn succeeded by another brother, the tenth Baronet, on whose death in 1895 the baronetcy became extinct as well.

Billy Thompson (gunman): Billy Thompson, sometimes known as Texas Billy Thompson (1845 – September 6, 1897) was an Old West gunman and gambler, and the younger brother of the famous gunman and lawman Ben Thompson.  The younger Thompson brother never achieved the fame that his brother achieved, and in his own lifetime was mainly referred to as the unpredictable and troubled younger brother of Ben Thompson.  Factually, however, while a dangerous man, he also was a formidable opponent in a gunfight.

Lakshmana: Lakshmana (Sanskrit: लक्ष्मण, IAST: lakṣmaṇa, lit.  "he who have the signs of fortune") also spelled as Laxman or Lakhan, is the younger brother of Rama and his aide in the Hindu epic, the Ramayana.  He is also known by other names- Saumitra (Sanskrit: सौमित्र, IAST: saumitra, lit.  "son of Sumitra"), Ramanuja (Sanskrit: रामानुज, IAST: rāmānuja, lit.  "younger brother of Rama") and Bharatanuja (Sanskrit: भरतानुज, IAST: bharatānuja, lit.  "younger brother of Bharata").

Baron Blayney: Lord Blayney, Baron of Monaghan, in the County of Monaghan, was a title in the Peerage of Ireland.  It was created in 1621 for the soldier Sir Edward Blayney.  He was succeeded by his son, the second Baron.  He was killed at the Battle of Benburb in 1646.  His younger son, the fourth Baron (who succeeded his elder brother), represented County Monaghan in the Irish House of Commons.  His elder son, the fifth Baron, was attainted by the Parliament of James II for supporting William of Orange.  He had no sons and was succeeded by his younger brother, the sixth Baron.  He was Governor of County Monaghan.  His son, the seventh Baron, was Lord Lieutenant of County Monaghan.  He was succeeded by his elder son, the eighth Baron.  He was a clergyman and served as Dean of Killaloe.  He had no surviving children and was succeeded by his younger brother, the ninth Baron.  He was a Lieutenant-General in the Army.  His younger son, the eleventh Baron (who succeeded his elder brother), was also a Lieutenant-General in the Army and fought in the Peninsular War.  Lord Blayney also represented the rotten borough of Old Sarum in Parliament.  His son, the twelfth Baron, sat as Conservative Member of Parliament for County Monaghan and was later an Irish Representative Peer from 1841 until his death.  On his death in 1874 the title became extinct.

Ted Kaczynski: Theodore John Kaczynski ( ; born May 22, 1942), also known as the Unabomber, is an American mathematician, anarchist and domestic terrorist.  A mathematical prodigy, he abandoned a promising academic career in 1969, then between 1978 and 1995 killed 3 people, and injured 23 others, in a nationwide bombing campaign that targeted people involved with modern technology.  In conjunction, he issued a wide-ranging social critique opposing industrialization and advancing a nature-centered form of anarchism.

Supporting paragraphs: David Kaczynski Ted Kaczynski
Answer: between 1978 and 1995 killed 3 people, and injured 23 others, in a nationwide bombing campaign that targeted people involved with modern technology