Increased trick-or-treating safety concerns
In 1982, a rash of deaths happened as a result of Tylenol pills that had been tampered with after manufacturing. This single act inspired a wave of fear around trick-or-treating to the point where some towns in American banned it completely. Parents have worried about razor blades, cyanide, and cannabis in Halloween candy—though most incidents of tampered candy are reported to be hoaxes.
