DUIs and integrity concerns: What we know about the deputy who killed Sonya Massey USA TODAYRecording shows deputy who killed Sonya Massey was admonished for inaccurate traffic stop report at previous job CNNPolice union will not fight the firing of sheriff’s deputy who fatally shot Sonya Massey USA TODAYIL. FOP statement regarding separate organization that filed a labor contract grievance newschannel20.comDocuments reveal ex-deputy Sean Grayson had lengthy disciplinary record prior to shooting death of Sonya Massey KSDK.com