Five years ago, Allison’s boyfriend brutally stabbed her 6-year-old daughter to death, leaving the entire family devastated.

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In the video above, Dr. Phil has leading psychologist, co-founder of The Lawlis Peavey PsychoNeuroPlasticity (PNP) Center, Chairman of the Dr. Phil Advisory Board and author of the book “The PTSD Breakthrough,” Dr. Frank Lawlis shares his recommendation for treating what he calls the emotional trap of Post-Traumatic Stress.

WATCH: Estranged Exes Come Together Seeking Justice For Their Slaughtered Child

Tune in to Dr. Phil to watch the full episode on Friday. Check here to find out where you can watch.

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'I Woke Up To The Sounds Of My Daughters Screaming,' Says Mother Of Slain 6-Year-Old