http://www.youtube.com/watch?v=Vza_bMuy42MGranted, he's snooping while they're in school, but are these kids allowed to take their laptops home? If so, what's to stop him from snooping at them at home? He clearly gets a kick out of spying on them in class... being able to spy on them at home is far too much of a temptation.
I did find one article that discussed a wider problem, but it took some doing in finding one...
http://www.examiner.com/x-39447-LA-Computers-Examiner~y2010m3d3-Harriton-High-School-webcam-spying-not-an-isolated-occurrence?cid=channel-rss-Gadgets_and_Tech&utm_source=twitterfeed&utm_medium=twitter&utm_campaign=Empowered+Brand+Builder%2C+Inc.&utm_term=Scott+Jay+Ringle