Reporter fox tells us hidden cameras just keeps Getting Better and better as technology progresses. This is what you can see from a hidden Smoke Detector camera. Being able to identify me and to be able to convict me if i was, you know, stealing something from you or beating on your children. You would be able to see exactly what i was doing. Reporter police say krish rogers was able to see his guestss every move and record them. Undeev the right to have these spy cameras in their home. But when it comes to recording in places where people will be naked, you need their permission. Fox tells us there are gadgets that can help detect these hidden cameras. It has like a frequency flashing light that reveals theres a lens there. Then you have something that finds the rf or the radiofrequency coming off of that camera. Reporter as for chris rogers . Reporting live, antonio castelan, news 3. Reed thank you. An update to breaking news we brought you at 5 00. North las vegas firefighters knock