In September 1925, Gunn was convicted of the attempted rape of a student at what is now Northwest Missouri State University, after accosting the young woman on a rural lane outside of Maryville.
ɪn sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈaɪv, ɡˈʌn wʌz kənvˈɪktᵻd ʌvðɪ ɐtˈɛmptᵻd ɹˈeɪp əvə stˈuːdənt æt wʌt ɪz nˈaʊ nɔːɹθwˈɛst mɪzˈʊɹɹi stˈeɪt jˌuːnɪvˈɜːsᵻɾi, ˈæftɚɹ ɐkˈɔstɪŋ ðə jˈʌŋ wˈʊmən ˌɔn ɐ ɹˈʊɹɹəl lˈeɪn aʊtsˈaɪd ʌv mˈɛɹivˌɪl.