Coronial
NSWhome

Inquest into the death of Valmai Jane Birch

Deceased

Valmai Jane BIRCH

Demographics

34y, female

Date of death

2011-03

Finding date

2025-08-26

Cause of death

Unascertained (possibilities: positional asphyxia, drowning, neck compression, drug overdose, or combination)

AI-generated summary

Valmai Jane Birch, a 34-year-old woman with a history of drug use, died between 9-21 March 2011 in circumstances that constituted homicide by her partner David Bagster. Her body was found face-down in a wheelie bin with restraints around her ankle and waist, submerged in water. A post-mortem examination could not determine the precise cause of death, with possibilities including positional asphyxia, drowning, neck compression, drug overdose, or a combination. Bagster was convicted of manslaughter in 2022 after criminal trials. This case highlights the vulnerability of individuals with substance use disorders in violent relationships and the challenges of determining cause of death in decomposed remains.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.

Drugs involved

Contributing factors

  • intimate partner violence
  • substance use disorder
  • restraint of victim
  • body placed in wheelie bin with head submerged
  • decomposition limiting forensic findings
Full text

Related cases

Source and disclaimer

This page reproduces or summarises information from publicly available findings published by Australian coroners' courts. Coronial is an independent educational resource and is not affiliated with, endorsed by, or acting on behalf of any coronial court or government body.

Content may be incomplete, reformatted, or summarised. All court orders for redaction and non-publication are respected; documents with technically defective redaction have been excluded from the database entirely. Always refer to the original court publication for the authoritative record.

Copyright in original materials remains with the relevant government jurisdiction. AI-generated summaries and tagging are for educational purposes only, may contain inaccuracies, and must not be treated as legal documents. We welcome feedback for correction —