60 Minutes' staffers have long been the masters of the hidden camera. In the video above, they break down all the cameras they used to get the shots they needed for a surprise interview with a guy purporting to sell stem cell treatments in Ecuador. In the two days preceding the interview, they set up several hidden cameras including one in a lamp, another in a purse, and another in a printer. All of the cameras were controllable by operators in an adjacent hotel suite there in Boca Raton.

If you ever wanted to know how to set up a broadcast-quality video sting operation, this is the behind-the-scenes video for you.