As Rep. Peter King, R-NY, begins a series of House Homeland Security Committee hearings to investigate what he terms the radicalization of Muslim-American communities, the New America Foundation and Syracuse University's Maxwell School of Public Policy examined the 175 cases of Americans and U.S. residents convicted of or charged with some form of jihadist terrorist activity.

Careful analysis of the data found a tiny but growing problem of militancy -- along with clear evidence that U.S. Muslim communities are actively working to disrupt this threat. "Contrary to King's assertion that Muslim-American communities have not cooperated with law enforcement," Peter Bergen and Andrew Lebovich write, "more than one-fifth of the post-9/11 Islamist terrorism cases originated with tips from Muslim community members or involved the cooperation of the families of alleged plotters."

Read the full report at http://homegrown.newamerica.net.