Using video cameras within residential or program sites has always been somewhat controversial. There are ethical and privacy issues but then there is the need for protection and prevention from harm. I have worked at various facilities where in one state video cameras were banned and had to be removed where in another state they were being installed. CMS has provided guidance on this topic and here is the link.

https://www.cms.gov/Surveycertificationgeninfo/downloads/SCLetter11_34.pdf