No single psychological profile can help predict when someone will commit a deadly mass shooting like the one at Sandy Hook Elementary School in Newtown, Conn. a year ago. That's the conclusion of a new report on gun violence, released Thursday by the American Psychological Association. We discuss the study, which also recommends tactics and policies that have proven effective, such as intervening with individuals who have communicated threats of violence and prohibiting guns for high-risk groups.
Report Examines Latest Research on Preventing Gun Violence
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Dewey Cornell, forensic clinical psychologist and professor of education at the Curry School of Education at the University of Virginia and member of the APA report-writing panel