mˈætθɛi fˈɛlt ðæt ðɛɹwˌʌz ɐ sˈɪɹiəl kˈɪlɚɹ æt wˈɜːk, wɪððə ɡˈɜːlz mˈɜːdɚ bˌiːɪŋ ɹᵻlˈeɪɾᵻd tʊ ˈʌðɚ tʃˈaɪld mˈɜːdɚz ðæt hæd əkˈɜːd ɪnðɪ ˈɛɹiə.
Matthäi felt that there was a serial killer at work, with the girl's murder being related to other child murders that had occurred in the area.