Ju Zhang, 33, was fatally assaulted by her de facto partner Joon Seong Tan on 1 February 2021 after a relationship of two weeks. The death was a case of intimate partner homicide preceded by coercive control, stalking, sexual abuse, and jealous/controlling behaviour. The coroner found that family violence homicides can occur at any stage of a relationship without prior physical violence. Key preventability factors included: awareness by friends and family of the violence but lack of reporting to services; absence of criminalisation of coercive control in Victoria at the time; and insufficient training of informal supporters to recognise and respond to family violence. The coroner supported further research into coercive control frameworks and bystander education, noting that criminalisation alone would unlikely have prevented this death.
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Contributing factors
Intimate partner violence and coercive control
Stalking and monitoring of communications and movements
Sexual abuse in the relationship
Jealous and controlling behaviour by perpetrator
Awareness of violence by friends and family but lack of reporting to services
Perpetrator's expressed threats to kill if partner was unfaithful
Newly formed relationship (two weeks duration)
Lack of criminalisation of coercive control in Victoria
Insufficient training of informal supporters to recognise family violence
Coroner's recommendations
Further research by the Victorian Government into a comprehensive coercive control framework, with any future legislation implemented alongside improvements to family violence education, training and best practice in the courts
Development of a research-based strategy in consultation with victim survivors, informal supporters, priority communities and specialist family violence services to provide targeted services to informal supporters assisting persons affected by family violence
Expansion of bystander action and intervention training within mainstream and priority community services, including multicultural and faith communities
Implementation of primary prevention initiatives targeting understanding of 'what works' in family violence prevention, including the role of bystanders
Continued development of family violence awareness resources for third parties and the community
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