I agree that Crystal probably thought she was going to make some money off this. The fact that it would be illegal is somewhat irrelevant given the FA's "profession".
http://media.www.dukechronicle.com/media/storage/paper884/news/2006/09/27/News/Research.Reveals.Impact.Of.Lax.Scandal.On.Dukes.Image-2310891.shtml?sourcedomain=www.dukechronicle.com&MIIHost=media.collegepublisher.com
Research reveals impact of lax scandal on Duke's image