This a&le explores the relationship between suicidal curd mwderous desires. Freud's psychohgicd theory and Henry and Short's socwhgical theory are reviewed, and empirical studies that bear on the issue cve examined. There i s not suficient information as yet to confirm or disconfm thut murder and suicide are polar opposites, but suggestions are made for fixture research needed to answer this question.Murder is easily seen to be an act of aggression, but suicide also can similarly be seen as an act of aggression. This idea was developed by Freud although it was recognized thousands of years ago, as can be seen in the motives of Haemon and Oedipus in the Theban plays of Sophocles. Freud never considered the psychodynamics underlying suicidal behavior to any great extent. Brief mentions of suicidal behavior can be found throughout his writings, however, and Litman (1967) has attempted to document and synthesize this scattered material..By 1910, Freud had recognized many clinical features of suicidal behavior: guilt over death wishes toward others, identification with a suicidal parent, refusal to accept loss of libidinal gratification, suicide as an act of revenge, escape from humiliation or as a communication, and the connection between death and sexuality.More systematic views began with Freud's discussion of melancholia. From this perspective, the essential feature of suicidal behavior is that the person loses a loved object. The energy which is withdrawn from this lost love object is relocated in the ego and used to recreate the loved one as a permanent feature of the self; an identification of the ego with the abandoned object. Litman called this process ego splitting. This can lead to suicide when the ego also harbors hostile wishes toward the lost object, for now the ego can treat itself as the object and can turn the hostility which it formerly felt toward the object onto itself.The expression of anger can be seen clearly in suicide notes where the suicider expresses his or her anger at significant others, hoping that they will suffer shame David Lester, Ph.D., is professor of psychology at Richard StocMon State C o w . Correspondence and reprint requests should be addressed to Dr. Lester at Stockton Stare College, POIVWM, NJ 08240.