Since 9/11, authorities have identified an average of seven Muslim-American terror suspects a year in domestic plots or attacks, including those caught in the early stages of planning, according to tracking by UNC sociologist Charles Kurzman. Those bad guys (and gals) represent 0.0004 percent of the U.S. Muslim population.
Tip of the iceberg, you say? Even if we multiplied the number of known domestic plotters by 10, it would still mean that 99.996 percent of U.S. Muslims have had no link to terrorism in 10 years.