Deterrence strategies are specifically designed to prevent criminal activity by discouraging potential offenders from engaging in such behavior. This proactive approach often involves actions that increase the visibility of security personnel, such as regular patrols, which can create a sense of safety and vigilance in a given area. A significant aspect of deterrence is that when potential criminals perceive that the risk of being caught is high due to the presence of security guards, they may choose not to commit a crime at all. This proactive stance is key in fostering community safety and protecting property.
The other options do not align with the concept of deterrence. Actions that lead to increased crime rates or the removal of security measures would undermine safety and encourage criminal behavior rather than prevent it. Additionally, while investigating past crimes is important for understanding crime patterns and developing strategies, it does not serve as a deterrent in real-time situations. Thus, the chosen answer recognizes the core principle of deterrence through visible and active security measures.