The father of a #Georgia teenager who carried out a deadly mass sh--ting at his high school was sentenced to 15 years in prison for second-degree m-rder and other charges after a jury found him criminally culpable for the attack. #ColinGray, 55, admitted to providing the assault rifle used by his then-14-year-old son in the September 2024 sh--ting at #Apalachee High School, which k-lled two students and two teachers. 😳 via cbsnews •aintyoumalcom