NEW : Peruvian authorities on manhunt for Joran van der Sloot . Joran van der Sloot suspected in Chilean killing . Flores , Wednesday , found dead in hotel room . Van der Sloot was suspect in Natalee Holloway case .
NEW : Chilean authorities on manhunt for Joran van der Sloot . Joran van der Sloot suspected in Peruvian killing . Stephany Flores Ramirez , 21 , found dead in hotel room . Van der Sloot was suspect in Natalee Holloway case .