Dr. Psyche Calderon asked the obvious question: “When did the pain start?”The answer broke her heart.“When La Mara broke all my teeth and killed all my family,” the 14-year-old said.La Mara Salvatrucha. Just: I was the only one that survivedCalderon is not a therapist, nor a lawyer or a dentist. She is a general practitioner volunteering her time to provide care for Central Americans stuck in Mexico while they try to obtain asylum in the United States.