Fans who couldn't get tickets through the main Ticketmaster Web site were directed to Ticketmaster subsidiary TicketsNow, which offered much more expensive tickets.
Milgram said Ticketmaster's redirecting consumers to its Web site for reselling tickets may violate the state's consumer fraud act.
On Wednesday, Ticketmaster CEO Irving Azoff apologized to Springsteen and his fans and said the company would no longer direct them to the TicketsNow subsidiary.
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