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With remote access to a PC, you should be able to launch any application and use it, including whatever webcam software (or Skype, etc.) is already installed. Search for remote desktop applications.
Gaining remote access to PCs is still your problem. Learning how to use applications remotely without their activity showing up is also a bit of an artform; you'll probably want a practice system or three to do test runs on. You're gonna be better off in forums dedicated to h4xng & w4rez.
Advices 4 U: spend at least 10x more time studying how to keep your sweet bitch ass out of jail for when you get caught. Next time I see your mom, I'ma tell her to change all her passwords and pay her an extra $1 to buy some tape to put over the lens ...
