Player has been permanently banned for the following reasons:
1. Has received 2 previous temp bans for griefing behaviour, however he still continues (and shows no intention to stop) to grief.
2. When asked to stop using hoppers to steal from protected chests, he continues to do so, as I watched.
Screenshots here:
http://postimg.org/gallery/4lap8euk/ (http://postimg.org/gallery/4lap8euk/)