How might a security officer help protect attendees at an event with 'No Firearm Allowed' rules?

Using a hand-held metal detector is an effective method for ensuring compliance with 'No Firearm Allowed' rules at an event. This approach allows security personnel to conduct quick checks of individuals as they enter the venue, enabling them to detect concealed weapons, including firearms. Hand-held metal detectors are portable and can efficiently scan attendees, helping to maintain a safe environment without causing significant delays during entry.

This method aligns with the overall objective of safeguarding participants while adhering to the event's specific guidelines regarding firearms. In contrast, while searching bags or enforcing strict identification checks are also legitimate security measures, they may not be as effective in directly detecting firearms compared to the targeted approach of a metal detector. Additionally, monitoring exits primarily addresses crowd control and emergency response rather than preventing prohibited items from entering the venue, which is the main concern in this scenario.