Early one morning in September 2024, two teams of F.B.I. agents descended simultaneously on a pair of homes in Orange County, New York. The agents arrived to serve arrest warrants on Mout’z Soudani, 76, a local real estate investor, and Stewart Rosenwasser, 72, a prominent former judge and recently retired county prosecutor. The two were accused in a conspiracy case. Mr. Soudani surrendered. Mr. Rosenwasser did not. Instead, he barricaded himself inside his home in Campbell Hall, N.Y., a suburb 65 miles north of Manhattan, exchanging gunfire with F.B.I. agents, according to local news reports, which cited an unnamed source...