The 62-year-old prince had been the most well-known and prominent detainee at the Ritz-Carlton hotel in the Saudi capital, Riyadh, since Nov. 4, when his much younger cousin Crown Prince Mohammed bin Salman ordered the surprise raids against prominent princes, businessmen, ministers and military officers. Elite forces were sent to arrest them in their homes, and they were subjected to weeks of questioning that would result in many turning over significant financial assets.