Before final exams, Brown University was just another Ivy League campus-then the unthinkable happened. Chaos erupted, the community was thrown into fear, and the nation couldn't look away. Amid the unfolding tragedy, Donald Trump weighed in as authorities scrambled to figure out exactly what had happened. Now with a person of interest in custody, the questions-and the shock-are far from over.RELATED: Prayers Up! Atlanta Shooting Near Emory University & Center For Disease Control Leaves 2 Dead (VIDEO)Person Of Interest Arrested In Brown University ShootingEarly Sunday, Dec.