Question: Who was arrested for the activities of the Australian crime community who was responsible for the murder of Graham Kinniburgh?

Context paragraphs:
Patricia Carlon: Patricia Carlon (9 January 192729 July 2002) was an Australian crime fiction writer whose most notable works are fourteen suspenseful novels published between 1961 and 1970.  She sometimes used the pseudonyms Patricia Bernard and Barbara Christie.  She was rediscovered in the 1990s, after "The Whispering Wall" (1969) and "The Souvenir" (1970) were republished as part of a series of Australian Classic Crime.  These and other novels have subsequently been reissued in the United States and Australia.

Melbourne gangland killings: The Melbourne gangland killings were the murders in Melbourne, Victoria, Australia of 36 criminal figures or partners between 16 January 1998 and 13 August 2010.  The murders were in a series of retributional murders involving various underworld groups.  The deaths caused a sustained power vacuum within Melbourne's criminal community, as various factions fought for control and influence.  The majority of the murders are still unsolved, although police from the Purana Taskforce believe that Carl Williams was responsible for ten of them.  The period culminated in the arrest of Carl Williams, who pleaded guilty on 28 February 2007 to three of the murders.

Alphonse Gangitano: Alphonse John Gangitano (22 April 1957 – 16 January 1998) was an Italian-Australian criminal from Melbourne, Victoria.  Nicknamed the "Black Prince of Lygon Street", Gangitano was the face of an underground organisation known as the Carlton Crew, and a close associate of convicted criminals Graham Kinniburgh, Mick Gatto and Jason Moran.  He was also an associate of alleged organised crime bosses Tom Domican (Sydney) and John Kizon (Perth).

Mr &amp; Mrs Murder: Mr & Mrs Murder is an Australian crime comedy television series produced by FremantleMedia Australia in association with Bravado Productions which premiered on Network Ten on Wednesday 20 February 2013 at 8:30 p.m.

Megan Kalajzich murder: The Megan Kalajzich murder was an Australian crime committed in 1986, and notable for its cruelty.

Australian Federal Police Association: The Australian Federal Police Association (AFPA) is a registered Industrial Organisation under the "Fair Work Act 2009" operating as a Branch of the Police Federation of Australia.  The AFPA has sole autonomous political and industrial coverage for all employees within the Australian Federal Police which includes sworn Federal Agents; Police Officers; Protective Service Officers; and non-sworn support staff deployed nationally and overseas.  The Australian Federal Police Association also provides industrial coverage for the Australian Crime Commission and the Australian Commission for Law Enforcement Integrity.

Peggy Hettrick murder case: The Peggy Hettrick murder case concerns the unsolved 1987 death of Peggy Hettrick in Fort Collins, Colorado.  Timothy Lee "Tim" Masters enlisted in the Navy following a high school career plagued by police accusation of murder when he was a sophomore at Fort Collins High School.  After eight years in the Navy, he was honorably discharged.  Masters worked for Learjet as an aviation mechanic until 1997, when he was arrested for the murder of Peggy Hettrick.  He was charged and convicted of the Hettrick murder in 1999 and sentenced to life imprisonment without parole.  His sentence was vacated in January 2008 when DNA evidence from the original crime scene indicated that he was not the responsible party.  Three years after his release from prison, Masters was exonerated by the Colorado Attorney General on June 28, 2011.  To date, no one else has been charged with Hettrick's murder.

Australian Criminal Intelligence Commission: The Australian Criminal Intelligence Commission (ACIC) is a national law enforcement agency of Australia responsible for criminal intelligence, with specialist investigative capabilities, and delivers and maintains national information sharing solutions.  The ACIC was established on 1 July 2016 following the merger of the Australian Crime Commission and CrimTrac.

CrimTrac: CrimTrac was a former Agency in the Attorney-General's Department that was merged with the Australian Crime Commission on 1 July 2016 to form the Australian Criminal Intelligence Commission.  Crimtrac had been responsible for developing and maintaining national information-sharing services between state, territory and federal law enforcement agencies.  It was established to deliver on the vision of sharing national policing information to achieve local, national and international policing outcomes.

Graham Kinniburgh: Graham Allen Kinniburgh (20 October 1942 – 13 December 2003) was an Australian organised crime figure from Kew, a suburb of Melbourne, Australia, who became a victim of the Melbourne gangland killings later dramatised in the drama series "Underbelly".

Supporting paragraphs: Graham Kinniburgh Melbourne gangland killings
Answer: Carl Williams