Practice · Selected matters

Case Studies

A representative sample of recent engagements. Client and party identifiers have been omitted in accordance with confidentiality obligations; case details are accurate. Outcomes reflect dispositions of the underlying proceedings, not the merit of any particular opinion.

2024 Accident Reconstruction Superior Court of Justice, Ontario Retained by plaintiff counsel

Intersection Collision on a Provincial Highway

A left-turning sedan and an oncoming SUV collided at a signalized intersection on a provincial highway. The defence alleged the sedan turned across an extended stale yellow; the plaintiff's account placed the light fresh red against the SUV.

Approach

We obtained the municipality's signal-timing log, imaged Event Data Recorders from both vehicles, and used surveillance video from a fuel station east of the intersection to derive the SUV's pre-impact speed via reverse-projection photogrammetry. Frame-rate verification against the DVR's embedded timestamps established the SUV's speed at the moment of impact within a defined uncertainty band, and a 3D laser scan of the intersection allowed us to model both drivers' sight lines with daylight conditions matched to the time of incident.

EDR Photogrammetry Signal timing
Outcome Settled at mediation following exchange of expert reports.
2024 Digital Forensics Civil proceeding, Ontario Retained by corporate counsel

Internal Investigation into Suspected Data Exfiltration

A departing employee was suspected of having copied proprietary materials prior to resigning. The employer required defensible analysis of the employee's workstation and assigned mobile device to determine what, if anything, had been removed and through what channels.

Approach

We performed hash-verified imaging of the workstation drive and a logical extraction of the mobile device. Reconstruction of recent USB attachments, cloud-sync activity, and webmail interactions, cross-referenced against system event logs and timeline artifacts, established the scope of file access in the final two weeks of employment. Distinctions between automated system behaviour and deliberate user action were documented explicitly, and findings were correlated against the employer's network egress logs.

Chain of custody Mobile forensics Network logs
Outcome Confidential resolution; analysis was relied on in settlement negotiations.
2023 Audio Forensics Provincial Court, Ontario Retained by defence counsel

Authenticity of a Disputed Recording

The Crown's case relied on a recording said to capture an inculpatory statement by the accused. The defence questioned both the authenticity of the file and the accuracy of the transcript prepared by the investigating agency.

Approach

We obtained the original file and metadata from the source device under chain of custody. Spectral and waveform analysis identified discontinuities consistent with edit points at two locations in the recording. Acoustic-phonetic comparison against a known exemplar of the accused's voice was conducted using probabilistic methodology, with results expressed in likelihood-ratio terms rather than categorical conclusions. Transcript review by our forensic linguist identified material misattributions of specific phrases.

Authentication Speaker comparison Transcript review
Outcome Recording ruled inadmissible; charges resolved on related counts.

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