On March 1, an immigrant from Senegal, apparently angry over the U.S.-Israeli attack on Iran, donned a T-shirt that said “Property of Allah,” grabbed a Koran, a pistol and a semi-automatic rifle and headed toward a popular nightlife area in Austin, Texas. There, he shot and killed three people and wounded 14 others before police killed him.
On March 12, an immigrant from Sierra Leone who had served…