According to transcripts of van der Sloot 's confession , he said he elbowed Flores in the face before strangling her and then suffocating her with his shirt . Police say they have found DNA under Stephany Flores ' fingernails . Amount of DNA was small . Testing was not yet complete on the DNA .
Police say they have found DNA under Stephany Flores ' fingernails . Amount of DNA was small . Testing was not yet complete on the DNA .