How does the author use foreshadowing in Midnight in the Garden of Good and Evil?

The initial chapter introduces the life of Jim Williams. The wealthy, elusive and mysterious Williams boasts about his enormous home full of valuable antiques. The sudden appearance and violent behavior of Danny Hansford, who becomes an extremely significant character later in the book, brings his relationship with Jim Williams into question. This opening chapter foreshadows later events in the book and touches on themes such as isolation, illusion and inner conflict.