When a workplace incident occurs, the immediate instinct of many employers and managers is to identify what happened and who was involved. This response, while understandable, often leads to a superficial understanding of workplace failures that allows the same incidents to recur. The distinction between finding a trigger and identifying a root cause represents one of the most critical competencies in occupational health and safety management, and Canadian employers who fail to grasp this distinction expose their organizations to repeated harm, regulatory scrutiny, and significant legal liability. Across all Canadian jurisdictions, occupational health and safety legislation imposes duties on employers not merely to respond to incidents but to investigate them in ways that prevent recurrence. This obligation exists whether an employer operates under the federal Canada Labour Code, which governs federally regulated industries such as banking, telecommunications, and interprovincial transportation, or under provincial legislation such as the Occupational Health and Safety Act in Ontario, the Workers Compensation Act in British Columbia, the Occupational Health and Safety Act in Alberta, the Act Respecting Occupational Health and Safety in Quebec, or the Saskatchewan Employment Act. As of the date of authorship, each of these legislative frameworks requires employers to investigate incidents that result in injury, illness, or conditions that could have resulted in serious harm, and implicit in this requirement is the expectation that investigations will be meaningful rather than perfunctory.