Which three steps in crime scene processing can be conducted simultaneously?

The three steps in crime scene processing that can be conducted simultaneously are the walk-through, photographing, and searching the scene.

During the initial walk-through, investigators assess the scene to understand the layout and examine key evidence. This step can occur concurrently with photographing the scene, as capturing images is essential for documentation and can highlight critical areas of interest. Additionally, while one officer is documenting through photography, others can begin searching for evidence. This cooperative approach allows for a thorough examination of the scene while ensuring necessary evidence is recorded visually, enhancing overall investigation efficiency.

The options involving search, sketching, and collecting or other combinations either involve sequential processes or depend on the completion of prior tasks, which is why they don't align with the simultaneous execution of activities in a crime scene processing context. By integrating these three distinct tasks, investigators can maximize their time and resources at a crime scene, ensuring a detailed and thorough collection of evidence.