CNN  —  As Ilana Badiner took shelter in the student union during the Florida State University shooting on Thursday, she remembers thinking “I kind of knew the drill already.” Seven years ago, Badiner was an eighth grader at the middle school adjacent to Marjory Stoneman Douglas High School during the shooting that killed 17 people in Parkland, Florida. “I’ve been through this before. It was a similar situation,” Badiner, 21, told CNN. Now a senior at FSU, Badiner was attending a bowling class