MySpace, the popular social-networking Web site, has hired a former prosecutor from the Justice Department to patrol the site and educate its users. Hemanshu Nigam also has helped Microsoft develop security and child-safety strategies.

In related news, Fox Interactive Media, the parent company of MySpace.com, is partnering up with the National Center for Missing and Exploited Children to run several public service announcements. The announcments will educate the public on the danger of online sexual predators and will air on both the Fox Television networks and on the Internet.