Sentence:  He was parked on the zigzag road just to the east of the kindergarten street, facing the <WSD>kill zone</WSD>, the three-man assault team in position, but the plan was now going to shit. He had picked the zigzag road as the perfect <WSD>kill zone</WSD> based on Pike's following Azzam and triggering the assault as the team leader, something that was crucial to prevent the team from taking out the wrong person. 
Meaning of the word marked with <WSD> tags:  A position where an individual is facing a deadly attack.