Marilyn Burdon, a 70-year-old mother and criminology expert, was killed in her Kew home in 2017 by her former partner Charles Bizuchi, who then committed suicide. Despite being banned from firearms ownership for over a decade due to domestic violence history, Bizuchi accessed multiple guns through loopholes. The family was uneasy about Bizuchi, who had a history of manipulative and coercive behavior, financial instability, and another ongoing relationship. The case was examined in a 2021 coronial inquest revealing systemic failures in firearm regulation and domestic violence recognition. The family struggled with the trauma and lack of support post-incident.
Country: Australia
State/Province: Victoria, Australia
City/Region: Kew
Incident Type: Domestic Violence Homicide
Relationship Status: Live-in relationship
Relationship Duration: Approximately 7 years
Incident Date: None
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How the relationship or connection began.
Approximately 7 years
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English labels are shown first. Original-language titles are preserved for source verification.
Australian True Crime Podcast · Original language: English
Victoria's gun system failed Marilyn Burdon
Domestic Violence
The relationship involved coercive control and manipulation by Bizuchi, who had a history of domestic violence and financial instability. Despite separation and family concerns, Marilyn allowed him to move in temporarily, which escalated tensions. The failure of firearm regulations allowed Bizuchi access to guns, culminating in a murder-suicide. The family was initially unaware of the domestic violence pattern, reflecting common misconceptions about abuse.
The coronial inquest in 2021 revealed systemic failures in firearm regulation and domestic violence recognition. Police reports noted Bizuchi's odd behavior and prior intervention orders. Firearms confiscated from Bizuchi were found in possession of associates, with inadequate follow-up by authorities. The family faced barriers in accessing information and support during the investigation.
Initial family disbelief about domestic violence classification. Uncertainty about exact timeline and circumstances of the murder-suicide. Police and family had limited information on whether Marilyn was held at gunpoint prior to death.
Marilyn met Bizuchi in 2010 through mutual friends. Despite family concerns and his unstable behavior, she maintained a relationship with him. Bizuchi was banned from firearms in 2004 due to domestic violence but circumvented restrictions via associates. In 2017, after Marilyn attempted to remove him from her home, Bizuchi killed her and then himself. The family discovered the bodies and reported the incident. The coronial inquest highlighted failures in firearm control and domestic violence intervention.
High risk due to prior domestic violence history, firearm access despite ban, manipulative and coercive behavior, and financial dependency dynamics.
Domestic violence can be non-physical and covert, complicating recognition. Firearm bans can be circumvented through loopholes, posing lethal risks. Families may struggle to intervene due to emotional bonds and underestimation of danger. Systemic support for victims and families post-incident is often inadequate.
Unhinged and erratic behavior by Bizuchi, prior domestic violence history, firearm possession despite ban, family concerns and intervention orders.
Police reports on Bizuchi's behavior, intervention orders, possession of firearms through associates, family observations of coercive control and manipulation.
Coroner's report, police intervention orders, firearm registry records, witness family statements, forensic evidence from the murder-suicide scene.
Rebecca Burdon and siblings reported concerns about Bizuchi's behavior and firearm possession. Former partner Karen Catapan disclosed domestic violence. Police reports described Bizuchi's odd behavior and prior legal issues. Witnesses noted manipulative and coercive conduct.
The 2021 coronial inquest revealed previously unknown domestic violence and firearm access details. Family understanding of the relationship pattern evolved from disbelief to recognition of abuse. No significant systemic reforms reported post-inquest as of 2025.
Exact circumstances and timeline of the murder-suicide remain unclear. Whether Marilyn was held at gunpoint or duration of coercion before death is unknown. Full accountability for associates holding firearms was not achieved.