Letter to David Caporn | 5 August 2009
Read the questions sent by Four Corners to former senior Police Officer David Caporn, in relation to the alleged murder of Anthony Tapley. Neither David Caporn, nor the WA Police, chose to respond to these questions. [PDF 530Kb]

Correspondence with PathWest | 6 August 2009
PathWest Laboratory in WA responded to questions posed by Four Corners relating to the Anthony Tapley case.
Read Four Corners' Questions to PathWest. [PDF 1.88Kb]
Read PathWest's Response. [PDF 121Kb]

Letter to WA Police Commissioner | July 2009
Read the questions sent by Four Corners to WA Police Commissioner, in relation to the alleged murder of Anthony Tapley. The commissioner declined the offer to comment. [PDF 550Kb]

Statement WA Police | 31 July 2009
Read a statement made by the WA Police in response to the Four Corners report. [PDF 614Kb]

Boettcher Report | 11 April 2009
Professor Barry Boettcher, University of Newcastle, gives his analysis of the test results for blood on a small stain on the gate at No 12 Jade Street, Maddington, WA; the scene of the alleged murder. Boettcher concludes that the presence of human blood "has certainly not been established." [PDF 1.64Mb]

Dr Brian McDonald's Report - Part I | 27 September 2007
Molecular Geneticist Dr Brian McDonald on the DNA reports relied on in Gary White's trial. [PDF 1.16Mb]

Dr Brian McDonald's Report - Part II | 1 April 2008
This report relates to further material received from the Forensic Science Service subsequent to Dr McDonald's report of September 2007. [PDF 1.51Mb]



New evidence on bikie-linked murder probe | ABC News Online | 10 August 2009
Gypsy Joker Graeme Slater, one of Australia's most high-profile and controversial bikies, appears on ABC's Four Corners tonight in an exclusive interview with reporter Quentin McDermott. Video

DPP fails in bid for killer's cash | The West | 21 March 2009
In a major test of WA's criminal property confiscation laws - considered Australia's toughest -the Director of Public Prosecutions has failed in its attempt to seize $135,000 from killer Gary Ernest White... But in a Supreme Court judgment this week, Justice Lindy Jenkins said the Act was "potentially draconian" and White did not use the trucking yard in a way that brought the property within the definition of crimeused property.

Assistant commissioners Mal Shervill, David Caporn demoted | Perth Now | 23 November 2008
Two assistant police commissioners involved in the wrongful conviction of a Perth man have been demoted by WA police chief Karl O'Callaghan.
Mal Shervill and David Caporn, detective-sergeants at the time of the 1994 murder of Perth jeweller Pamela Lawrence, have lost their assistant commissioner roles and will be demoted to a lower rank if they don't retire.

New claim of wrongful conviction against Mallard cops | Perth Now | 22 November 2008
A new claim of wrongful conviction involving senior officers in the Mallard affair is expected to be lodged with the Attorney-General within weeks.

Riding low: the world of Bikie Inc | The Age | 23 June 2007
The bikies had every reason to hate Don Hancock. They knew the country publican and former senior Perth detective had shot dead Gypsy Joker member Billy Grierson after a minor dispute in October 2000. Investigating police were also convinced Hancock was the sniper who had shot Grierson that night in the West Australian goldfields town of Ora Banda. But they never charged him. By the time officers had reached him, Hancock, a former head of the CIB, was showered and changed; he refused to hand over his original clothing, defied instructions to stay at the scene and then ate an orange to remove gunshot residue. He went free...

Bikies break silence over mate's murder | The Age | 6 February 2006
Members of the bikie gang that had one of its members shot and killed at a remote West Australian hamlet five years ago have broken their silence about the murder, amid angry scenes at a Perth inquest on Monday.

Police disappointed by bikie verdict | The Age | 27 August 2004
The investigation into the murder of a retired Perth detective was a success, despite the acquittal of five men charged with waging a bombing campaign against him, West Australian Police Assistant Commissioner David Caporn said today.

Biker gang chief cleared in police murder case | The Independent UK | 30 October 2003
A leading member of a notorious Australian biker gang has been acquitted of murdering a former senior police officer in a verdict that deals a humiliating blow to prosecuting authorities.

Family's heartbroken plea after bikie verdict | The Age | 29 October 2003
The family of a man who was killed in a car-bomb attack has pleaded with the West Australian government to purge bikie gangs from the state after a jury yesterday acquitted a gang member accused of double murder.

Gypsy Joker sniper shooting mystery | SMH | 21 April 2006
The West Australian coroner has failed to identify the killer of Gypsy Joker Billy Grierson whose sniper-style slaying was later avenged by the car-bombing deaths of two men.

Police hopes go west, leaving jokers wild | The Age | 1 November 2003
Attempts to crack open Perth's bikie-gang subculture were thwarted in court this week by a failed murder case, writes Mark Russell.

Organised crime in WA under investigation | 7.30 Report | 29 October 2003
The audacious and brazen car bombing that claimed the life of a one-time prominent Western Australia police officer and his bookie mate thundered out of suburban Perth and shocked a nation.