In what situation can surveillance cameras be most effective?

Surveillance cameras are most effective when they are strategically placed to cover key areas and deter crime. This approach maximizes their utility by ensuring that critical locations are monitored, which can help identify potential threats and provide evidence should a security incident occur. When cameras are positioned correctly, they not only capture valuable video footage but also act as a visible deterrent to criminal activity, as potential wrongdoers are often less likely to engage in illegal behavior when they know they are being watched.

By focusing on the most vulnerable or high-risk areas, such as entrances, exits, and areas with valuable assets, the effectiveness of the surveillance system is greatly enhanced. A well-placed camera can improve response times to incidents, aid in investigations, and promote a general feeling of safety among employees and visitors.

While hidden cameras can have their specific benefits in certain contexts, they lack the deterrent effect that visible cameras provide, as potential intruders may be unaware of their presence. Each of the other options lacks the comprehensive approach to security that well-placed cameras offer, either limiting their application to specific times (like after hours) or combining them with alarm systems without considering their placement as a deterrent.