Helen Smith is an American forensic psychologist in Knoxville, Tennessee, who specializes in violent children and adults. She holds a Ph.D. from the University of Tennessee and master's degrees from The New School for Social Research and the City University of New York. She has written The Scarred Heart: Understanding and Identifying Kids Who Kill, and was writer and executive producer of Six, a documentary about the murder of a family in Tennessee by teens from Kentucky. The film highlights the inadequacies of the school, mental health and criminal justice systems in preventive treatment of troubled teens; the film was shown at a 2003 film festival in Tennessee.