Mother of suspected gunman called Apalachee High School with warning after getting alarming text, grandfather says  CNNMother of Georgia shooting suspect said she called school before attack, report says  Yahoo! Voices’I lied.’ A teacher describes protecting her students during Apalachee HS shooting  NPRAccused Georgia school shooter apologized to his mom before allegedly killing four — prompting her frantic calls to the school  New York Post Alleged Georgia school shooter Colt Gray sent haunting text to mom before opening fire  Hindustan Times