Milgram also said her investigators are continuing to look for evidence that brokers are receiving preferential treatment during the initial sale of tickets. She said in the investigation of Ticketmaster's handling of the sale of the May 21 and 23 Springsteen concerts, her office learned that Ticketmaster had identified between 5 and 10 brokers as "preferred brokers" who were allowed to pre-list tickets that had yet to be sold on the primary market.