How does the author use foreshadowing in Bringing Down the House: The Inside Story of Six MIT Students Who Took Vegas for Millions?

At time goes on, a natural rift develops between the full-time gamblers and the weekend gamblers, and eventually Kevin is excluded from the group. He takes a few team members with him and they continue operating on their own. Occasional conflict occurs when members of the various teams encounter each other in casinos. They begin to take too many chances and make mistakes. This foreshadows the Casino investigators finding out about their operation.