What should the person in charge do upon arriving at a bomb threat situation?

In a bomb threat situation, the person in charge is responsible for managing the response effectively to ensure the safety of all individuals involved. Contacting the person in charge of the facility is critical because it establishes a line of communication for coordinated actions. This individual is likely to understand the specific protocols for such emergencies and can make informed decisions to address the situation, such as assessing the threat's credibility and implementing the facility's emergency response plan.

Involving the appropriate personnel allows for a more organized and strategic response, which is essential in preventing panic and ensuring that all safety measures are followed. This may involve conducting an evacuation or alerting law enforcement based on further assessment of the unfolding situation.

Other options may seem viable, but contacting the person in charge allows for a considered initial response, rather than acting independently, which could lead to chaos.