Al-Amoudi was a founder of the Islamic Society of Boston ( ISB ) . He signed the Society 's articles of incorporation and served as the first president of the Society 's Cambridge , Massachusetts mosque , which was also attended by the Boston Marathon bombers ( Dzhokhar Tsarnaev and his brother , Tamerlan Tsarnaev ) , as well as by convicted terrorists Aafia Siddiqui and Tarek Mehanna
Boston Marathon bombers
Boston Marathon bombing
Abdul Rahman al-Amoudi