New Delhi: In a tragic incident in Georgia, a 14-year-old student, Colt Gray, shot and killed two students and two teachers at his school. Moments before the attack, Gray sent a chilling apology text to his mother, Marcee Gray, according to his grandfather, Charles Polhamus. The message, Im sorry, Mom, set off a desperate attempt by his mother to avert the tragedy.Frantic efforts to stop the shootingAfter receiving the text, Marcee made multiple frantic calls to the school, warning them of an extreme emergency. Speaking to her sister, she explained how she immediately alerted the school counselor, urging them to find her son. Despite her desperate efforts, the school officials could not reach Gray in time. A school official who went to Colts classroom arrived moments after he had already left.Mothers desperate drive to the schoolFearing the worst, Marcee rushed to the school. While en route, she learned that four people had already been killed. Its horrible. Its horrible, Marcee told the media. Both Colt Gray and his father now face murder charges in connection to the shooting. Authorities revealed that the AR-15-style rifle used in the shooting was a Christmas gift from Colts father. The tragedy has sparked renewed debate about gun control and parental responsibility.