Joran van der Sloot, who is in the custody of Peruvian police, has denied killing a 21-year-old woman in a Lima, a police spokesman says. The 22-year-old, who was deported from Chile after his arrest there, is currently the prime suspect in the murder of Stephany Flores. Flores was found dead in a Lima hotel this week with a broken neck. Van der Sloot has, however, admitted knowing Flores. He said that "he met her and at some point they went to a casino," according to the spokesman. Van der Sloot was also a suspect in the murder of American teen Natalee Holloway in Aruba five years ago.