This is why you should clean your closet out occassionally.

Apparently, Japanese closets are so big that you can live in one undetected for more than a year.

It seems the homeowner noticed some food missing and installed surveillance cameras that he could monitor from his cell phone and discovered that a homeless woman was a long time resident of his closet.

It seems to me it would have been easier and less expensive to just look in all the closets.