An undocumented immigrant police likened to a “ghost” admitted to kidnapping and raping a teenage girl at knifepoint near New Orleans. Diego Rodriguez-Salvador, 23, was arrested Sept. 4 for allegedly luring a 13-year-old girl into his car before driving her to his home in Kenner, La. and raping her. Rodriguez-Salvador, an illegal migrant from Honduras, allegedly asked his friend’s teenage sister to take a ride to a nearby store with him. She accepted the ride, but when the girl noticed they were headed in the wrong direction, Rodriguez-Salvador pulled a knife, assaulted her, then dropped her off in her own...