A modern biometric access control system is designed to allow only one individual at a time to enter a secure facility. This system utilizes advanced algorithms to analyze various facial features, including the contour of the face, the color and shape of the eyes, and the structure of the mouth, to verify the identity of individuals. The door will only unlock if the individual possesses the necessary authorization. Given that this system is infallible, it ensures that unauthorized individuals cannot gain access through the secure door. Based on the information provided, which of the following conclusions can be most logically inferred?