At the 1976 Summer Olympics in Montreal, an incident involving deliberate equipment tampering led to the expulsion of a fencer from the Games. On July 29, 1976, competition officials determined that one athlete had sabotaged the protective gear or weapon of a rival, creating a safety risk and violating the rules and spirit of Olympic competition. The discovery prompted immediate disciplinary action and the athlete was removed from further participation in the fencing events. Contemporary reports from the Montreal Games describe heightened scrutiny around equipment after the incident. Fencing relies on carefully maintained weapons and electrically grounded scoring equipment; deliberate interference can endanger opponents and undermine the integrity of results. Olympic and international fencing authorities have long treated such breaches seriously, with sanctions ranging from match forfeiture to expulsion and longer suspensions depending on intent and consequence. The expulsion in 1976 reflected those standards. Officials at the Games acted swiftly to investigate and isolate the affected bout(s), and to ensure the safety of competitors. The removal of the athlete was intended both as a protective measure and as a deterrent against similar conduct. Records from the period indicate the decision was made by Olympic competition supervisors in coordination with fencing officials, though detailed disciplinary records and internal deliberations are not fully public. This episode occurred against the broader backdrop of a tense Olympic year. The Montreal Games featured political disputes, intense national rivalries, and close scrutiny of athlete behavior and judging. Incidents that called into question fairness or safety received particular attention from both officials and the media. Historians and contemporary accounts note that while sabotage incidents in elite sport are rare, concerns about equipment integrity and match manipulation have recurred in various forms. Fencing’s reliance on electric scoring and standardized protective gear makes unauthorized tampering especially consequential. In response to such risks, governing bodies have periodically updated equipment checks, pre-bout inspections, and procedures to handle complaints or irregularities. Publicly available sources from the time provide the essential facts: an athlete was found to have tampered with an opponent’s equipment at the Montreal Olympics and was expelled on July 29, 1976. Some specifics—such as precise methods of tampering, the identities of those involved, and the full text of any subsequent sanctions—are variably reported or remain confined to archival competition reports and federation records. Where contemporary newspaper accounts or official communiqués differ, researchers rely on primary documents from the International Olympic Committee and the sport’s international federation for definitive resolution. The 1976 expulsion remains a noted example in Olympic fencing history of how sports governance responds to deliberate violations that threaten safety and fairness. It reinforced procedures for equipment inspection and the authority of competition officials to remove athletes to protect the integrity of events.