Which step involves 'Search the Dead' within the room clearing process?

The step known as 'Search the Dead' is a critical part of the room clearing process and is correctly identified as the fourth step. This step involves examining bodies or potential casualties to ensure that the area is secure and that there are no threats from individuals who may appear to be incapacitated. It is essential to confirm that these individuals do not pose a danger, as they might still have the capacity for combat or could be booby-trapped.

Understanding that this step comes after securing the room and neutralizing any immediate threats highlights its significance in the overall safety and effectiveness of room clearing operations. Properly conducting this step is vital for maintaining situational awareness and ensuring that an environment is completely cleared before moving on to other tasks. This focus on thoroughness plays a crucial role in tactical operations.