Morse, who has argued that only two types of testimony by mental health professionals (when testifying in that capacity) should be permitted.72 First, Morse would permit presentation of “hard actuarial data,” when relevant and available. Second, because mental health professionals usually have much more experience with “crazy” persons than do laypersons, and thus are likely to be better observers of the kinds of behavior that may be legally relevant, he would allow them to present their observations of behavior. For example,
