Josh Holly was in U.S. District Court in Nashville on Monday. He pleaded to having about 200 credit card numbers and to commercial electronic mail message fraud in a scheme to spam visitors to celebrities’ MySpace pages.

Holly was not charged for hacking the singer’s account. But federal agents found evidence of other crimes when they interviewed Holly and searched his computer in 2008.

The Tennessean newspaper reported that Holly also violated a condition that he stay off the Internet when he posted on Facebook that he was feeling “strong urges” to start hacking again.