Two teenagers from Fort Worth suddenly found themselves alone. For nearly a year, Dulce Zepeda, 19, took over her 13-year-old sister Maria, after her parents were arrested and subsequently deported by the Immigration and Customs Control Service (ICE) When the NBC 5/Telemundo 39 research team met Dulce and Maria in April, they lived in an apartment complex in Fort Worth. Dulce was in charge of cooking, taking her sister to high school, working at…