ISight won't turn off on MacBook Pro retina

Question

So I went to turn on my 13" MacBook Pro Retina and the stupid iSight green light is on.  I've done a SMC reset and a PRAM reset.  I've restarted my computer.  I've shut my computer down completely.  I've shut my computer down completely and let it sit for a few minutes.  I've shut down my computer and let it sit overnight before turning it back on.  This light is really annoying and I don't like that it's running on it's own.  No, I don't have any apps that turn on with my computer that use it either.  I've done all the troubleshooting that I can and I've chatted with Apple support.  It's finals week and I don't have time to go to the Genuis Bar to fix this problem.  Can someone please help me turn off this annoying, dumb green light?

Answer 1

This procedure may show which program is using the camera. It makes no changes, and therefore will not, in itself, solve your problem.
If you have more than one user account, you must be logged in as an administrator to carry out these instructions.
Triple-click anywhere in the line below on this page to select it:
sudo lsof -Fc +D /L*/Cor*/*/*/AppleCamera.plugin | sed '2!d' | cut -c2- | open -ef
Copy the selected text to the Clipboard by pressing the key combination command-C.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window by pressing the key combination command-V. I've tested these instructions only with the Safari web browser. If you use another browser, you may have to press the return key after pasting. You'll be prompted for your login password. Nothing will be displayed when you type it. If you don’t have a login password, you’ll need to set one before you can run the command. You may get a one-time warning to be careful. Confirm. You don't need to post the warning.
If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator. Log in as one and start over.
The command may take a noticeable amount of time to run. Wait for a new line ending in a dollar sign (“$”) to appear.
A TextEdit window will open. If the command produced no output, the window will be empty. Post the contents of the TextEdit window (not the Terminal window), if any — the text, please, not a screenshot. The title of the window doesn't matter, and you don't need to post that.