Inclusion Criteria:  Youth will be eligible if they screen is positive for seeking treatment in the ED for a violent injury, age 14-20, and report ownership of a smartphone with texting capability and internet access.  Exclusion Criteria:  Youth will be excluded if they do not understand English, cannot provide informed consent due to mental incompetence, incarceration or medical instability (unstable patients will be recruited if they stabilize within 72 hours), are 14-17 years old and presenting without an accessible parent/guardian, are presenting for suicide attempt/intent, sexual assault, and/or child abuse (due to high intensity of social services needed for such patients during their ED visit).