Faiths United to Prevent Gun Violence was formed on January 17 , 2011 , after the 2011 Tucson shooting that killed six and injured U.S. Rep. Gabrielle Giffords . The coalition 's 24 founding members wrote a letter to Congress endorsing a bill to ban large-capacity ammunition magazines . The bill , H.R. 308 , did not pass
2011 Tucson shooting
2011 Tucson shooting
Faiths United to Prevent Gun Violence