For many years, experts in national security and other members of Congress have suspected influence on the United States by the Muslim Brotherhood. What they mean by influence is the Muslim Brotherhood is disseminating propoganda in the U.S. Many members of Congress have called for investigations into the Muslim Brotherhood and it’s influence on the Obama Administration.
The reason that Qatar asked his fellow Brotherhood members to leave the country was for protection. Following the Arab uprisings in 2011, many Brotherhood leaders have been killed.