I'm also a parent, and I am of the opinion that being a teenager doesn't mean you should have your computer hacked to be monitored like this. There's all kinds

I'm also a parent, and I am of the opinion that being a teenager doesn't mean you should have your computer hacked to be monitored like this. There's all kinds of legitimate admin tools you can use to monitor their activity. If they deliberately circumvent them, physically take the computer away. Turning on a webcam surreptitiously to monitor them is not cool.