The Islamic Society of Boston (ISB) has become the center of attention since it was discovered that now deceased suspected marathon bomber Tamerlan Tsarnaev was a member of the mosque. ISB is a 501(c)(3) tax exempt organization.
The Islamic Society of Boston was founded in part by Abdurahman Alamoudi in 1981, according to the New York Sun, and was the first president of the mosque. Alamoudi is currently serving a 23 year sentence in federal prison as he was convicted in 2004 of participating in a Libyan plot to assassinate Saudi Crown Prince Abdullah.
Additionally, according to the Sun, Alamoudi raised funds for Al Qaeda: