Book excerpt: “You are either with us, or against us” is the refrain that captures the spirit of the global war on terror. Images of the “them” implied in this war cry—distinct foreign “others”—inundate Americans on hit television shows, Hollywood blockbusters, and nightly news. However, in this book, Piotr Szpunar tells the story of a fuzzier image: the homegrown terrorist, a foe that blends into the crowd, who Americans are told looks, talks, and acts “like us.”