Julissa Ramírez and Nohemí Medina Martínez killed earlier this month
Julissa Ramírez and Nohemí Medina Martínez killed in Ciudad Juárez
Texas Democrat represents border city of El Paso
Director says it will cost $2,800 to fix roof
El Paso activists struggle to support Mexican counterparts
Leche Merchant arrived in Ciudad Juárez on Tuesday