Mohammed bin Nayef is a prominent Saudi Arabian politician who served as the Minister of Interior from 2012 to 2017. He is a member of the House of Saud and is known for his role in combating terrorism in Saudi Arabia. His efforts in counter-terrorism earned him recognition both domestically and internationally. In 2015, Mohammed bin Nayef was appointed as the Crown Prince of Saudi Arabia, making him second in line to the throne. However, in 2017, he was replaced by Mohammed bin Salman, leading to his subsequent house arrest. His political career has been marked by significant influence in the kingdom's security policies.