BASKING RIDGE, N.J., March 9, 2011 /PRNewswire/ -- Verizon Wireless said that it filed a lawsuit Monday in federal district court in Phoenix outlining an ongoing scheme that used Premium SMS campaigns to defraud Verizon Wireless and its customers, and asked the Court for an injunction to put an immediate stop to the activities. The Texas Attorney General also filed a similar suit against the same defendants on Monday. Verizon Wireless assisted and supported the Texas prosecutors in their investigation. " Texas Attorney General Greg Abbott has been a strong partner in shutting down this fraudulent activity. Verizon Wireless also is suing Jason Hope and his associates and co-conspirators who established this intricate fraudulent enterprise," said Steve Zipperstein, general counsel and vice president of legal and external affairs, Verizon Wireless.