<blockquote>Baker then went on to cite a recent mistaken child porn raid, where an IP address was turned into a name—but the named person hadn't committed the crime. "The list of IP addresses attached to VPR's complaint suggests, in at least some instances, a similar disconnect between IP subscriber and copyright infringer… The infringer might be the subscriber, someone in the subscriber's household, a visitor with her laptop, a neighbor, or someone parked on the street at any given moment."</blockquote>
via <a href="http://arstechnica.com/tech-policy/news/2011/05/after-botched-child-porn-raid-judge-sees-the-light-on-ip-addresses.ars">After botched child porn raid, judge sees the light on IP addresses</a>.