FIELD. >> NEW DETAILS NOW, AS WE CONTINUE TO FOLLOW THE INVESTIGATION INTO THE SHOOTING OF PEARSALL, WE'VE NOW LEARNED THAT THE 17 YEAR OLD SUSPECT IN THE CASE BROUGHT A GUN TO SCHOOL THE WEEK BEFORE THE UNION SQUARE SHOOTING. A REPORT FROM THE TRACY POLICE DEPARTMENT SHOWS DETAILS ABOUT THE AUGUST 21ST INCIDENT AT STEIN HIGH SCHOOL. THAT'S AN ALTERNATIVE SCHOOL FOR TROUBLED STUDENTS. THE NAME AND PERSONAL INFORMATION IS REDACTED FROM THAT REPORT. THE SAME TEENAGER IS NOW