Inclusion Criteria: Consenting mental health therapists in participating residential treatment facilities (RTF)in New Hampshire, Vermont and Connecticut; and the adjudicated youth ages 12-17 years old who are residents in these RTF programs being treated by the participating therapists who 1) are screened positive for having at least one past trauma experience with UCLA PTSD Reaction Index score of >22; 2) assent with legal guardian consent to participate in the project; and 3) are anticipated to remain in the RTF program at least 3 months (long enough to receive TF-CBT treatment).