Barbara Emmons hears every sound in her Bevil Oaks neighborhood. Her ears always perk up when cars drive along Riverbend Drive, she said. Since Tropical Storm Harvey, she's been even more alert. "Everyone back here is worried," said Emmons, 62. Since the August storm, the retired U.S. Postal Service employee said she has had to chase away potential looters, phony contractors and suspicious cars from her property and her neighbors' empty houses.