The Escapist this week talks griefing and griefers. One of their features delves into the down and dirty economic wars in Eve Online
. From the article: "Having transferred the money and placed their trust in these virtual business proposals, the investors realized that they had been duped, but could do nothing to rescue their lost capital. The scam tolled 480 million ISK (EVE's currency), which is almost $1,000 in meatspace money."