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Mary Ellen O'Toole, Former FBI profiler, analyzes the San Bernardino mass shooting.
04:09 — Former executive assistant director of the FBI Shawn Henry and former senior FBI profiler Mary Ellen O'Toole discuss.
02:20 — Former FBI profiler Mary Ellen O'Toole breaks down this disturbing stabbing attack on AC360.
04:04 — Dr. Jodi Gold and Retired FBI profiler Mary Ellen O'Toole weigh in on the Isla Vista, California, killer.