Family of missing woman Erica Hernandez search Sunnyside | khou.com On Saturday, volunteers searched an area in south Houston where they believe Erica may have been before going missing. Ashley Hernandez, Erica’s younger sister, and family friends were part of several search parties canvassing areas of Sunnyside for signs of her. ...... “She was last seen, visibly, in her car on Court Road, Post Oak area,... but her cell phone, the towers, picked her cell phone up in this area also,” Ashley said. They focused on fields and grassy, wooded areas near 288 and Reed Road. A surveillance camera captured her leaving her brother’s home on April 18.