Opinion: Homegrown terrorists are not just Muslims – Rep. Bennie Thompson – POLITICO.com. Today’s terrorists do not share a particular ethnic, educational or socioeconomic background. Recently, when state law enforcement agencies were asked to identify terror groups in their states, Muslim extremist groups ranked 11th on a list of 18. Law enforcement agencies identified neo-Nazis, environmental extremists and anti-tax groups as more prevalent than Muslim terrorist organizations. The sophisticated explosive device found along a parade route in Washington on Martin Luther King Jr. Day, an act of domestic terrorism clearly motivated by racist ideology, should prove that other groups are…