Joran van der Sloot transfer to US custody in the works

Chile's police officers escort Dutch citizen Joran Van der Sloot, center, to "La Concordia" Peruvian police station, near the border with Chile, in Tacna, Peru, Friday, June 4, 2010. Chilean police have turned over van der Sloot, murder suspect in Sunday's killing of 21-year-old Stephany Flores, to Peruvian authorities at the countries' border. Van der Sloot was previously arrested in the 2005 disappearance of U.S. teen Natalee Holloway, but later released by Dutch authorities (AP Photo/Karel Navarro)