kˈiːzɚ dʒˈɔɪnd ðə wˈɛst ˈæfɹɪkən kənstˈæbjʊlˌɛɹi fˈoːɹs ɚɹˈaʊnd nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɛvən ænd wʌz sᵻlˈɛktᵻd fɔːɹ ˈɑːfɪsɚ tɹˈeɪnɪŋ ɪn lˈʌndən, ɐpˈɔɪntᵻd ɪnspˈɛktɚɹ ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi ænd lˈeɪɾɚ, ɐsˈuːmɪŋ ðə ɹˈæŋk ʌv ɐsˈɪstənt sˌuːpɚɹɪntˈɛndənt.
Keazor joined the West African Constabulary Force around 1927 and was selected for Officer Training in London, appointed Inspector in 1930 and later, assuming the rank of Assistant Superintendent.