Illinois officer convicted in Sonya Massey killing has died, lawyer says The Washington PostEx-deputy convicted in Sonya Massey killing dies in prison YahooFormer Illinois sheriff’s deputy who killed Sonya Massey in her home dies aged 32 The GuardianSean Grayson, ex-deputy convicted of fatally shooting Sonya Massey, dies, attorney says NBC NewsEx-deputy convicted of killing Sonya Massey dies in prison, lawyer says WMUR