Following the shooting of Rep. Gabrielle Giffords, many columnists and talk-show hosts have questioned the media's role in fostering a culture of violent rhetoric. Some commentators think the media has "celebrified" suspects, gunmen and terrorists. Many killers kill "to have their 15 minutes of fame," according to Christopher Harper, associate professor of journalism at Temple. They must be reported on, but the media have a way of turning them into celebrities.