Final answer:
After establishing an initial perimeter, officers should engage in continuous surveillance, gather further information, and may need to establish more focused protected areas within the cordoned zone to maintain security and preserve evidence.
Step-by-step explanation:
Once an initial perimeter is established and cordoned off, the next step an officer should take is to monitor the area constantly and ensure that it remains secure. This can be achieved through various means such as 24-hour surveillance using advanced technology like drones. This enables quick response to any unauthorized entries or activities. Furthermore, evaluating the situation and gathering information about the incident or individuals involved is crucial. This might involve identifying people of interest, their associates, or understanding the environment better. For instance, learning the names of anyone closely connected to an ongoing investigation can be crucial for establishing control and developing further strategies. In scenarios with heightened risk or uncertainty, the officer may need to make informed judgments based on available evidence and their own assessments of the situation.
During the monitoring process, it may become necessary to establish additional, smaller protected areas within the larger cordoned zone, especially in cases where a targeted approach is needed. This could mean isolating specific areas of interest to ensure that they remain untampered and preserve any evidence. When possible, officers should also aim to integrate local information and terrain features into their ongoing surveillance and control efforts.
In summary, the immediate post-establishment phase of a perimeter involves heightened vigilance, information gathering, and potential expansion or adaptation of the controlled areas to meet the specific needs of the situation on the ground.