Michael D. Kelleher Ph.D.MICHAEL D. KELLEHER, who has written widely on the subject of violence, specializes in threat assessment, strategic management, and human resources management for organizations in the private and public sectors. He is the author of Murder Most Rar (1998), Profiling the Lethal Employee, Flash Point: The American Mass Murderer (1997), and New Arenas for Violence (1996), all published by Praeger. Read More Read Less