A few years ago, the FBI was able to catch a hacker by examining the EXIF metadata in an image posted by his girlfriend:  <a href="http:&#x2F;&#x2F;gizmodo.com&#x2F;5901430&#x2F;these-breasts-nailed-anonymous-hacker-in-fbi-case" rel="nofollow">http:&#x2F;&#x2F;gizmodo.com&#x2F;5901430&#x2F;these-breasts-nailed-anonymous-ha...</a>