The FBI uses drones for surveillance of stationary subjects, and the privacy implications of such operations are "worthy of debate," FBI Director Robert Mueller said Wednesday.
According to ABC News, an FBI agent was conducting an interview with an associate of the Boston Marathon Bombing suspects when he felt threatened and opened fire, killing the man.
The reward for the capture and return of a fugitive member of a black militant group convicted of murdering a New Jersey state trooper was doubled to $2 million on Thursday, the 40th anniversary of the bloody gun battle.
Federal authorities say four Southern California men have been charged with plotting to kill Americans overseas by joining al-Qaida and the Taliban in Afghanistan.
The FBI said Friday a preliminary investigation has found friendly fire likely was to blame in the shootings of two border agents along the Arizona-Mexico border.
Stolen documents, military medals and other artifacts valued at about $5 million - including letters signed by Abraham Lincoln and Thomas Jefferson - were returned Wednesday to Chicago's Polish Museum after being found in the basement of a home decades after they went missing.
FBI agents descended on an island off Alaska after two Coast Guard members were found shot to death at work in what officials said appeared to be a double homicide.
Forensics experts will study laptop computers, files, a video camera and other items seized from the home of an adoptive father who's accused of raping three boys in his care and prostituting one of them, the FBI said Friday.
The U.S. government is seeking software that can mine social media to predict everything from future terrorist attacks to foreign uprisings, according to requests posted online by federal law enforcement and intelligence agencies.
FBI background interviews of some people who knew Apple co-founder Steve Jobs reveal a man driven by power and alienating some of the people who worked with him.