Online fascination with--and reaction to--news and events has a broader reach than even just s few years ago with the growth of social media outlets such as Facebook and Twitter. But do some people go far beyond the bounds of good taste and civility, reaching into a danger zone that incites destruction and vigilantism? Kaitlyn Ross talks with Florida State College at Jacksonville Professor of Psychology Erin Richman about the phenomenon that turned "local" into a global awareness; and George Zimmerman into a household name.