“As a mother and a grandmother, I worry,” Ms. Serafin said. “I learned that in 20 years with the rate of the birth population, we will be overtaken by Islam, and their goal is to get people in Congress and the Supreme Court to see that Shariah is implemented. My children and grandchildren will have to live under that.”

“I do believe everybody has a right to freedom of religion,” she said. “But Islam is not about a religion. It’s a political government, and it’s 100 percent against our Constitution.”