An FBI affidavit alleges that Mario Santoyo, 38, refused to follow law enforcement's commands when told to put down a knife ...

A 38-year-old man is facing a felony charge after allegedly threatening to harm himself with a knife during a lengthy ...

A Chicago man is charged with pulling a knife in the lobby of the Dirksen U.S. Courthouse, leading to a 9-hour standoff.

CHICAGO ( WGN) – The man at the center of Tuesday’s standoff at the Dirksen Federal Building downtown has been charged. The ...

CBS News Chicago witnessed the man being tackled by law enforcement and removed from the courthouse lobby on a stretcher.

The FBI and other law enforcement personnel responded to a man in the Dirksen lobby who walked into the courthouse armed with ...

The man held up a sign that read "call lawyer" during the lengthy standoff, which led to a mandatory evacuation. There were no reports of injuries, and there was no danger to the public, authorities ...

The Dirksen U.S. Courthouse and other federal buildings were placed on lockdown Tuesday midday as law enforcement personnel ...

CHICAGO (WLS) -- A standoff at the Dirksen Federal Building downtown Chicago ended after roughly nine hours Tuesday night.

The Dirksen Federal Building and its surrounding streets are back open Wednesday morning after a knife-wielding man entered ...

The Dirksen Federal Building in Chicago was locked down after reports of a knife-wielding person inside. FBI is investigating ...