Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Experts Discuss Ways to Counter Domestic Extremism in US Rikar Hussein WASHINGTON - Recent attacks in the United States, including in a Walmart store on El Paso, Texas and a synagogue in Pittsburgh, Pennsylvania have raised concerns over the growing threat from domestic extremist groups. U.S. law enforcement officials and experts now are discussing ways to help counter such groups, using similar to steps the U.S. government took when it expanded its fight against foreign terrorist organizations following the September 11, 2001 attacks. WATCH: Strategies to counter domestic attacks .