ðə diːtˈeɪlz ʌv ðɪs ɪnvˌɛstɪɡˈeɪʃən wɜː nˌɑːt pˈʌblɪkli ɹᵻlˈiːst, ænd ðə lˈæk ʌv tɹænspˈæɹənsi ɪvˈoʊkt səbstˈænʃəl spˌɛkjʊlˈeɪʃən.
The details of this investigation were not publicly released, and the lack of transparency evoked substantial speculation.