Overview

• Dozens collapse across Zürich as victims are linked to implanted Lauber Cardio defibrillators manipulated to deliver lethal shocks.
• The attackers demand 317 million Swiss francs for a digital key, with their message underscored by a melody from composer Léo Delibes.
• A news blackout seeks to curb panic while suspicions focus on corporate rivals, a former programmer and a reporter probing the case.
• Commissioners Tessa Ott and Isabelle Grandjean lead the probe under mounting personal strain, including danger involving Ott’s mother.
• Forensic technician Noah Löwenherz supplies crucial technical findings that move the investigation toward a breakthrough, as the episode airs at 20:15 on Das Erste.