Hidden cameras are becoming cheaper and easier to buy. Some cost less than fifty dollars online and can stream live video directly to a phone.

LITTLE ROCK, Ark. (KATV) - An Arkansas family is suing Airbnb after finding a camera hidden in a smoke detector on one of their trips. “I looked at my wife and I said, ‘That’s a damn video camera,’” ...

This spy camera sells for under $50 on Amazon. It's small, records to a micro-SD card and only records when it detects ...