19 Nov Los Angeles County Wants Foster Parents Trained to Spot Child Sex Trafficking by Crittenton Services in Crittenton in the NewsComments Dr. Barbara Hernandez, Vice President of Community Based Services, for Crittenton Services was quoted at the recent LA County Board of Supervisors meeting in March of 2014. Dr. Hernandez was testifying on the need and the importance on providing more awareness and training to LA County foster parents in regards to knowing the signs of child sexual exploitation and on the reality of child sex trafficking amongst the vulnerable foster youth population.