R. v. Lai

R. v. Lai

Because the QTrap printout contained an acknowledged and unexplained discrepancy in units, the maintenance, service and problem records and related documentation for the QTrap meet the 'likely relevance' threshold for disclosure; therefore the defence is entitled to disclosure of the materials listed in Exhibit B (including the manual) and the Crown must produce them without requiring further in‑camera review under McNeil in this case.

Citation
2017 BCSC 2707
Parties
Prosecution: Regina; Accused: Alan Teck Meng Lai
Court
Supreme Court of British Columbia
Jurisdiction
Canada
Judgment Date
26 May 2017
Procedural Posture
Criminal Sexual Assault With Allegation of Administration of a Stupefying Substance (ghb) / Trial Application/oral Ruling on Third‑party Disclosure of Toxicology Instrument (qtrap) Records
Outcome
Application granted on finding of likely relevance
Legal Topics
Third‑party Disclosure, Stinchcombe Disclosure Duty, Likely Relevance Standard, Forensic Instrument Maintenance Records, Reliability of Toxicology Testing
Source Language
English
Criminal Law Evidence Forensic Science Disclosure Obligations Third‑party Disclosure Stinchcombe Disclosure Duty Likely Relevance Standard Forensic Instrument Maintenance Records +1 more

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Parties

Regina

Prosecution

Alan Teck Meng Lai

Accused

Procedural Posture

Criminal Sexual Assault With Allegation of Administration of a Stupefying Substance (ghb) / Trial Application/oral Ruling on Third‑party Disclosure of Toxicology Instrument (qtrap) Records

Legal Issues

  1. 1 Whether maintenance, service and problem records for the QTrap are likely relevant to the defence
  2. 2 Whether the Provincial Toxicology Centre acted as part of the prosecution for disclosure purposes or remains a third party
  3. 3 Whether the acknowledged discrepancy on the QTrap printout undermines reliability of the toxicology result and justifies disclosure

Ratio Decidendi

Because the QTrap printout contained an acknowledged and unexplained discrepancy in units, the maintenance, service and problem records and related documentation for the QTrap meet the 'likely relevance' threshold for disclosure; therefore the defence is entitled to disclosure of the materials listed in Exhibit B (including the manual) and the Crown must produce them without requiring further in‑camera review under McNeil in this case.

Court Disposition

Application granted on finding of likely relevance

Orders

  • Crown to disclose the QTrap instrument manual
  • Crown to disclose the remaining materials listed in Exhibit B: planned maintenance procedures, maintenance records, field service reports and problem reports relating to the 4000 QTrap