A 39-year-old man was arrested and indicted Friday in connection with dozens of threatening letters containing a powdery substance that were sent recently to congressional offices and members of the media, the Justice Department said.
A 29-year-old man from Morocco was arrested Friday and charged with attempting to bomb the U.S. Capitol building in a suicide attack, authorities said.
A "smoking object" was thrown over the White House fence late Tuesday, and authorities have closed the north gate of the residence while the object is investigated, U.S. Secret Service spokesman George Ogilvie said.
CNN's Athena Jones reports on the standoff between police and Occupy D.C protesters in McPherson Square.
U.S. Capitol Police said Thursday that they are investigating a reported threat made against Illinois Rep. Bobby Schilling.
As the nation enters the weekend marking the 10th anniversary of the September 11 attacks, law enforcement authorities are deploying additional security measures and urging all Americans to be vigilant for suspicious activity.
Security for members of Congress is tight in Washinton, but not in their home districts, as Brianna Keilar reports.
Sen. Patrick Leahy issued a stern warning Tuesday on toning down the rhetoric that many say led to the shootings in Tucson, Arizona.
For Rep. Jackie Speier, the vicious attack on her colleague Gabrielle Giffords and others in Tucson, Arizona, brought back a chilling memory of when she faced an attempt on her life.
Rep. Jackie Speier knows what it's like to be targeted. She reflects on how the Giffords shooting brought up memories.
Lawmakers are weighing the benefit of accessibility with the necessity of security in the aftermath of a shooting at a political meet-and-greet outside an Arizona supermarket.
The FBI is looking into a suspcious package sent to Arizona Rep. Paul Grijalva's Tucson office. KVOA reports.
The suspicious powder inside a swastika-adorned package sent to an Arizona congressman is "nontoxic," an FBI spokesman said Friday.
When Rep. Joe Wilson interrupted President Obama's speech to a joint session of Congress by yelling "You lie!" a livid House Speaker Nancy Pelosi looked as if she was about to jump out of her seat and give her colleague a five-minute "time out" for misbehavior.
U.S. Capitol Police shot and killed a man Wednesday afternoon, near the Capitol campus, a Capitol Hill Police spokeswoman said.
In Session's Jami Floyd has the Last Word on Alaska politics and the Sen. Ted Stevens scandal.
A policewoman suspected in a series of small fires in restrooms in buildings around Capitol Hill late last year has admitted guilt and agreed to resign and pay restitution to avoid prosecution.
A grand jury has declined to indict Rep. Cynthia McKinney who was accused of punching a Capitol Police officer in March.
U.S. Rep. Patrick Kennedy said Friday that he will enter a rehabilitation program after crashing his car on Capitol Hill a day earlier.
The two top Democrats in the House are putting daylight between themselves and one of their own members, who could face criminal charges after an altercation last week with a U.S. Capitol Police officer.
Call it the tale of two different shirts worn by two very different women: a well-known peace activist who has agitated the White House and a lawmaker's wife who has staunchly supported the U.S.-led war in Iraq.
Peace activist Cindy Sheehan was arrested Tuesday in the House gallery after refusing to cover up a T-shirt bearing an anti-war slogan before President Bush's State of the Union address.
Police blew up suspicious packages in a car parked near the U.S. Capitol on Friday, more than two hours after the two occupants told authorities the vehicle contained a bomb.
Capitol Hill police will search buses, tour vans and larger vehicles traveling on the roads leading to the Capitol as part of heightened security in response to the terror attacks in London Thursday, according to a police spokesman.
Public schools in the nation's capital were locked down Friday for a security sweep after a bomb threat, said police and a spokesman for the District of Columbia school system.