When the shooter left the room briefly, Abel and others left the closet and tried to barricade the door. But the shooter pushed it open, spotted a student he knew, and with anger said, "Surprise!" before shooting the student in the chest. "I'm still trying to process everything," Abel said in an interview. One of Pagourtzis' classmates who died in the attack, Shana Fisher, "had 4 months of problems from this boy," her mother, Sadie Rodriguez, wrote in a private message to the Los Angeles Times on Facebook. "He kept making advances on her and she repeatedly told him no."...