Table of Contents

Lionel Daigle

Case Introduction

Case Overview

Mental Health Status

Living Situation

Circumstances of Disappearance

The Day He Vanished

Last Known Appearance

Reporting Timeline

Investigation Efforts

Initial Police Response

Search Operations

Public Appeals

Media Coverage and Documentation

Potential Theories and Speculation

Mental Health Crisis Theory

Medication Discontinuation Impact

Voluntary Departure Theory

Misadventure or Accident Theory

Third-Party Involvement

Contextual Factors and Institutional Issues

New Direction Special Care Home Background

Mental Health Care System Challenges

Forensic Considerations and Exclusions

Human Remains Discoveries

Other Saint John Cases

Systematic Gaps and Investigative Challenges

Limited Family Information

Institutional Documentation

Geographic Limitations

Contemporary Relevance and Ongoing Status

Case Status in 2025

Technological Advances

Hypotheses Based on Available Evidence

Most Probable Scenario: Mental Health Crisis with Fatal Outcome

Alternative Scenario: Extended Mental Health Episode

Recommendations for Case Resolution

DNA Banking

Cold Case Review

Geographic Information Systems Analysis

Public Re-engagement

Conclusion