he 20-year-old man wanted in connection with the killing of a University of North Texas sophomore has been arrested in Mexico, Carrollton police said Tuesday.Ernesto Reyes was named as a suspect a day after Melanie Goodwin, 19, was found dead in Carrollton about 11:30 a.m. Sept. 25.Police said Goodwin, of Arlington, was last seen talking to Reyes at a Denton gas station about nine hours earlier. A clerk said he asked her for a ride, according to police. The two didn't know each other, police said.U.S. marshals and Mexican authorities arrested Reyes about 1 p.m. today as he left a...