Peter Fabbri Langman is an American counseling psychologist and author. He is a known expert on school shooters.Professional career Langman received his B.A. in psychology from Clark University, his M.A. in counseling psychology from Lesley College, and his Ph.D. in counseling psychology from Lehigh University.Source: Wikipedia
American private university and liberal arts college in Worcester, Massachusetts
University in Pennsylvania
University in Massachusetts
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