Warner Bros studio is filing a wave of copyright lawsuits across the country against individuals who are using Amazon to sell pirated versions of shows like True Blood and The Wire. While the lawsuit campaign has been underway for several years, the studio has lately become much more aggressive. A review of court records shows that Warner Bros has filed nearly 50 cases against Amazon sellers in the last three months alone, compared to only a handful of such suits in 2010. The studio, which is the parent of popular network HBO, appears to be targeting organized rings of bootleg sellers. Read the full story at Giga OM.