Cooper's mannerisms—such as his vocabulary, planning, his thorough retrieval of evidence, and his use of aviation terminology—led the FBI to conclude Cooper was not a common criminal: Cooper was clearly intelligent, not impulsive or easily rattled, a careful and procedure-oriented planner, adept at anticipating contingencies and adaptive strategies, with meticulous and methodical tendencies. Profilers also noted Cooper's ability to quickly and competently adapt to various situations as they arose indicated he probably preferred to work independently, and neither needed nor wanted an accomplice.
Cooper's mannerisms—such as his vocabulary, planning his thorough retrieval of evidence and his use of aviation terminology—,led the FBI to conclude Cooper was not a common criminal: Coope,r was clearly intelligent, not impulsive or easily rattled, a careful and procedure-oriented planner, adept at anticipating contingencies and adaptive strategies, with meticulous and methodical tendencies. Profilers also noted Cooper's ability to quickly and competently adapt to various situations as they arose indicated he probably preferred to work independently, and neither needed nor wanted an accomplice.