Fourteen-year-old Leigh Leigh was murdered after attending a teenage party at Stockton near Newcastle. Matthew Webster later confessed and pleaded guilty to murder. The conviction resolved criminal responsibility for the killing, but the way police handled parts of the wider investigation was later examined by the New South Wales Police Integrity Commission.

Leigh Leigh was 14 years old when she attended a birthday party at the North Stockton Surf Club near Newcastle, New South Wales, on November 3, 1989. She was later found dead near the beach.
The case immediately raised questions about what had happened at the party, what other young people had witnessed and how police handled a highly traumatic investigation involving teenagers.
Police interviewed numerous young people connected with the party. In November 1989, Matthew Webster and another teenager were charged with offenses arising from events that night. The murder itself remained under investigation.
The later Police Integrity Commission record shows that investigators continued to focus on Webster and another suspect into February 1990. Their treatment in custody, compliance with procedures for juvenile interviews and the reliability of aspects of the investigation later became subjects of official scrutiny.
On February 16, 1990, police placed Matthew Webster and Guy Wilson together in an interview room equipped with a lawful listening device. The recorded conversation did not itself resolve the murder. The two were then interviewed separately.
During his separate interview, Webster confessed to Leigh Leigh's murder. Police charged him with murder, while Wilson was released without a murder charge.
Webster ultimately pleaded guilty to murder. Because of that plea, the homicide charge did not proceed to a contested murder trial requiring a jury to determine guilt.
He received a 20-year sentence with a 14-year non-parole period. Contemporary and later official reporting consistently identifies Webster as the person convicted of Leigh Leigh's murder.
The guilty plea established Webster's criminal responsibility for the murder. It did not mean that every allegation about every person present at the party was proven in court.
That distinction matters in a case surrounded by rumor and public anger. Crime by Region does not label other partygoers as participants in the murder unless a reliable source establishes a specific conviction or finding against them.
Years after the conviction, the New South Wales Police Integrity Commission opened Operation Belfast to examine the police investigation of Leigh Leigh's murder and police involvement in related court proceedings.
The Commission's published report documented conflicting evidence about the way some suspects had been taken into custody and treated, and about whether procedures for interviewing young people had been followed. Its later reporting said the operation identified shortcomings in police procedures and practices and led to recommendations for change.
Those findings are important to the history of the case. They do not amount to an acquittal of Webster, who had confessed and pleaded guilty to murder.
Webster was released on parole in June 2004 after serving the 14-year non-parole portion of his sentence. Later that year, his parole was revoked after he was charged with assault.
The assault charge was subsequently dropped, and his parole was reinstated in May 2005. Reporting at the time noted conditions restricting where he could live or travel. These later parole events did not alter the murder conviction.
The murder is classified here as solved and adjudicated because Matthew Webster confessed, pleaded guilty and was sentenced for Leigh Leigh's murder. The subsequent Police Integrity Commission inquiry is recorded separately as a review of investigative conduct and procedure.
The case remains important for more than the conviction itself. It exposed how easily a child victim can be subjected to rumor, blame and sensationalism after death, and it prompted prolonged scrutiny of how police and institutions treated young people connected to a serious investigation.
A responsible case file therefore keeps three things separate: Leigh Leigh's victimhood, Webster's established murder conviction and the official criticism of parts of the investigative process.
Last reviewed: September 1, 2026