What device might be used during a secondary alert?

In the context of border patrol operations, a secondary alert often involves scenarios where initial surveillance or detection has flagged a potential issue, and further investigation is required to assess the situation more closely. A rad seeker is a device specifically designed to detect and track radiation, making it highly relevant in the context of border patrol for identifying any illicit transportation of radioactive materials.

This capability makes the rad seeker particularly suited for secondary alerts, as agents may need to evaluate whether a detected event poses a risk involving dangerous materials. The use of this technology helps enhance security during heightened alert situations by enabling officers to determine the presence of radioactive substances that may not be immediately visible or identifiable through other means.

Other devices listed have their roles; for instance, infrared scanners are typically utilized for thermal detection of individuals or vehicles and can be helpful in primary detection scenarios rather than specifically during secondary alerts. Geiger counters measure radiation as well, but they are more basic in function compared to rad seekers. Surveillance cameras serve critical monitoring functions but do not actively engage or facilitate the analysis of the materials being observed. Each of these devices has its application but the rad seeker stands out as the most relevant for addressing the immediate concerns posed during secondary alerts.