But first, both Muslim Americans and law enforcement have to change the way they interact.
Recent domestic terror suspects had converted to Islam while in prison. Experts are divided on the extent of the threat.
Arrests in separate terror plots in Springfield, Ill., and Dallas Thursday followed the indictment of Najibullah Zazi for plotting an attack in New York. Experts say the cases highlight the danger of domestic terrorism.
Daniel Boyd was accused Thursday of planning to attack a Marine base in Quantico, Va. Two others were arrested on charges of plotting separate bomb attacks.