National

Grand jury indictment accuses Matthew Ryan Buquet of mailing a threatening communication to a U.S. district judge

A school bus slammed into the back of another, setting off a chain-reaction crash involving four buses

24 people killed after deadly twister touches down in Moore, Oklahoma

The sight of the damage caused by Monday's tornado was almost more than some survivors could bear; Also, Lois Lerner, the IRS manager at the heart of the political targeting scandal, delivered an opening statement Wednesday before a congressional committee, but she refused to take any lawmakers' questions; And, Many American clothes come from facto

With the tornado fast approaching, the Falwell family decided to flee to a neighbor's storm shelter

Boston bombing suspect's friend ties himself, Tsarnaev to grisly killings before being killed in violent confrontation with authorities

Moore mom furious to find out her daughters had to hide in bathroom during massive twister; official says they're costly

Jamie Falwell had sought shelter from the tornado with her two-year-old son in her bathtub. Her husband, Matt, arrived home just in time to rush them to their neighbor's storm cellar. That decision saved their lives. Mark Strassmann reports.

Many of the clothes sold in American stores come from factories in Bangladesh, which has a history of workplace disasters. Following the factory collapse last month that killed over 1,000 people, Holly Williams went undercover to see what the conditions are really like.

London police say two men used a knife and a cleaver to hack a man to death. The man was then videotaped by an unharmed passerby and waited for police to arrive. Charlie D'Agata reports.