FATHER OF COLT GRAY, THE TEENAGER CHARGED IN YESTERDAY'S MASS SHOOTING AT A GEORGIA HIGH SCHOOL, HAS JUST BEEN ARRESTED. COLLIN GRAY HAS BEEN CHARGED WITH FOUR COUNTS OF INVOLUNTARY MANSLAUGHTER, ALONG WITH SECOND DEGREE MURDER AND EIGHT COUNTS OF CRUELTY TO CHILDREN. 214 YEAR OLD STUDENTS AND TWO TEACHERS WERE KILLED IN THE SHOOTING. NINE OF THE PEOPLE WERE WOUNDED. THE ACCUSED TEENAGE GUNMAN HAS BEEN CHARGED WITH FOUR FELONY COUNTS OF MURDER. HE