Diane Kruber and Demian Bichir, as, respectively, U.S. Det. Sonya Cross and Mexican lawman Marco Ruiz, begin working together seriously, even conducting a joint interrogation of the journalist, played by Matthew Lillard from the Scream and Scooby-Doo movies, who has some connection with the bisecting-bodies killer. The tension is upped even higher, as is the level of the performances.