You may want to keep a home security camera to observe the front door and garage area and a few to monitor high traffic areas in the house. You may place security cameras by your business s cash register and near some of the more valuable items you sell. But what if you own a clothing store and have problems with customers stealing merchandise by putting it on under their normal clothes in the dressing rooms?What if you want to discourage your errant teenager from sneaking out of the house by placing a camera in their bedroom?These types of situations can become legal battlegrounds if those involved are not careful. While we aren't permitted to give legal advice, we here at Top Ten Reviews have assembled a few key points to remember when you're setting up your own home security system. Residential Security Cameras What is Legal?If you are installing a video surveillance system to monitor your home, it can be difficult to place the cameras legally. As a general rule, monitoring someone without their knowledge or consent is illegal when they are in an area that provides a reasonable expectation of privacy.