The Muslim Brotherhood is a terrorist organisation. The Holy Land Foundation trial in the United States of America unearthed a key document called The Project.
The US v HLF (Holy Land Foundation for Relief and Development) (Dallas, 2008) was the largest terrorism financing and Hamas trial ever successfully prosecuted in American history. The evidence revealed the most prominent Islamic organizations in the U.S. are controlled by Hamas/Muslim Brotherhood. The list of Hamas/MB groups includes the Islamic Society of North America (ISNA), Islamic Circle of North America (ICNA), Muslim American Society (MAS), Hamas doing business as the Council on American Islamic Relations (CAIR), Muslim Students Association (MSA), Islamic Centers, Muslim Public Affairs Council (MPAC), International Institute for Islamic Thought (IIIT), American Muslims for Palestine, EMERGE, US Council of Muslim Organizations (USCMO), and many others.
Now this makes perfect sense: