Aaron Barr was courted by numerous news outlets at the show, including the mainstream media. Barr was hoping to take part in a panel discussion about Anonymous at DEFCON. He had a few encounters with people who recognized him as an Anonymous hacker. Barr said he felt like he was going to be confronted or heckled at the conference. He said he had no idea what to expect, but it was a great trip to Las Vegas, meeting new friends and drinking too much and not sleeping enough.
Source: https://threatpost.com/aaron-barrs-defcon-aaron-barr-081511/75545/