Or write a program that analyze the noise level from the recording device to detect any motion and alert you. Hooked up with Growl and IM and now you have a dead-alert system. However, since it's a life-or-death situation and you couldn't focus 100% your commitment into it, I'm glad that you move on to a different job now. Working on your startup or side projects and you may end up killing someone isn't the kind of thought you need for the rest of your life.