In the second paragraph of Chapter 5, there is a prime example of foreshadowing by the author: "...suddenly his hand met what felt like a tiny ring of cold metal lying on the floor of the tunnel. It was a turning point in his career, but he did not know

In the second paragraph of Chapter 5, there is a prime example of foreshadowing by the author: "...suddenly his hand met what felt like a tiny ring of cold metal lying on the floor of the tunnel. It was a turning point in his career, but he did not know it." Now that you have completed your reading of Chapter 5, explain how this is foreshadowing.