High Court judgment
Johnstone v Police
Johnstone v Police [2023] NZHC 1660 is the High Court of New Zealand judgment of Hinton J (30 June 2023) dismissing the appeal of Cassidy Ellen Johnstone against conviction.
Skim the record
Court-proven facts at a glance
- Blood alcohol182 mg / 100 mlOver twice the 80 mg legal limit
- MDMAPresent in bloodClass B drug · court-proven
- Harbour Bridge~180 km/hChase, crash, injured passengers
- ConvictionUpheld on appealJohnstone v Police [2023] NZHC 1660
What the case is
Johnstone v Police is an appeal against conviction after Cassidy Ellen Johnstone’s guilty pleas to causing injury while under the influence of drink and/or a drug, and reckless driving, following a January 2020 high-speed chase over Auckland’s Harbour Bridge. The High Court dismissed the appeal. She had sought a discharge of conviction for career and travel reasons, including cybersecurity prospects.
Where to read the full judgment
The complete judgment text is hosted at /judgment/. A downloadable PDF is at cassidy-ellen-johnstone-court-record.pdf. External reports include AustLII and Stuff.
Related record pages
For a shorter narrative of charges and outcome, see the court case summary. For the conviction itself, see Cassidy Johnstone conviction. For the chase, see Cassidy Johnstone Harbour Bridge.