Glenn L. Carle, an American writer and former intelligence officer, has left an indelible mark on the literary and intelligence landscapes. Best known for his memoir, “The Interrogator: An Education” (2011), Carle delves into his firsthand experiences during the interrogation of a man initially believed to be a high-ranking member of al-Qa’ida. The book received international acclaim for its uncommon candor in revealing the internal workings of t...