Head count: 8 people in the convenience store. 3 teenage male Caucasians by the soft drink fountain, 2 Latina twenty-somethings at the counter getting ready to buy cigarettes, an older Asian male browsing the snack options, an Arab male assigned to cash register duty, and 1 adult white male by the ice machine. The man guarding the ice box surveys the store one last time, just to be sure before he starts. The Latinas are giggling and making fun of the convenience store clerk in Spanish, believing that he cannot…