A crane has hoisted a U.S. flag covered spire to the top of New York's One World Trade Center, under construction at the site of the Sept. 11 terrorist attacks.
A man who had fired a gun inside a ticketing area at Houston's airport was killed after being confronted by a law enforcement official during an incident that sent people in the terminal scrambling.
Louisville Metro Police Assistant Chief Kenton Buckner talks to Officer.com Associate Editor Paul Peluso about what goes into making sure the Kentucky Derby is a secure event.
Three college friends of surviving Boston bombing suspect Dzhokhar Tsarnaev now face charges, including conspiring to destroy evidence and lying to investigators.
The MBTA transit police officer critically hurt in a gunfight between the Boston Marathon bombing suspects says his doctors miraculously brought him back to life.
The association representing the state's police chiefs, sheriffs and district attorneys wrote a strongly worded letter warning about marijuana legalization and public safety.
Ricin was found in the former martial arts studio of the man suspected of sending poison letters to President Barack Obama and other public officials, according to court documents.