The weapon used in the shooting, a SIG Sauer M400 ... including inside Colt’s bedroom. Colt and his father regularly visited the gun range and spent time the week before the shooting adjusting ...

Private notebooks reveal the alleged Georgia school shooter made meticulous plans to kill students and teachers ahead of the ...

Gray, 54, is now facing manslaughter and murder charges of his own after his son, Colt Gray, allegedly opened fire, killing ...