18-year-old Prince Bhumibol had gone in to his brother's room about 20 minutes before the gun went off, so conspiracy theorists have long implicated him in Ananda Mahidol's death. Bhumibol's uncle was appointed his Prince Regent, and the new king returned to the University of Lausanne to finish his degree. In deference to his new role, he changed his major from science to political science and law.