Complex sentence: In early 2003, Banks issued guidance for the "behavioral science consultants" who helped to devise Guantánamo's interrogation strategy although he has emphatically denied that he had advocated the use of SERE counter-resistance techniques to break down detainees.
Split into simpler sentences: In early 2003, Banks issued guidance for the "behavioral science consultants" who helped to devise Guantánamo's interrogation strategy. He has emphatically denied having advocated use of SERE counter-resistance techniques to break down detainees.