They come in all shapes and sizes: Spy cameras the size of your fingernail that are hidden inside key fobs, clothes hangers, or concealed in power outlets and USB chargers. The cost for the cameras varies from just over nine dollars upwards of $100 and can be bought at most any big box retailer, electronics store, or online. Hidden cameras have been uncovered everywhere, from hotel rooms to doctors' offices to school restrooms and even inside some of San Diego County's more than 10,000 vacation rentals. But just how common are they and what can you do to spot them before they spot you? CBS 8 is Working for You to help you answer those tough questions. FULL STORY: https://www.cbs8.com/article/news/investigations/spy-cameras-inside-san-diego-vacation-rentals/509-4a6bf987-341e-4346-8e74-f5c1f5b038ce