Has encryption technology given the bad guys a way to operate in the dark? Or has the new tech age gifted law enforcement with unprecedented surveillance powers?
The Federal Bureau of Investigation said that it has picked up no "specific or credible threats" linked to the anniversary of the September 11, 2001 attacks on the United States.
The FBI is being called in to determine if a projectile struck a commuter train before it crashed in the US city of Philadelphia this week, killing eight people.
A US jury on Monday returned the first conviction over the 2013 Boston Marathon attacks, finding a friend of the prime suspect guilty of obstructing the investigation into the bombings.
Kazakhstani student Azamat Tazhayakov, accused of obstructing justice in the Boston bombings case allegedly avoided Dzhokhar Tsarnaev’s brother Tamerlan considering him too religiously devout.
Kazakhstani student Dias Kadrybayev arrested in relation to the Boston bombings declared in court that due to his insufficient knowledge of English he was manipulated into making statements that discredited him and lead to his arrest.
The twin bombs that went off at the Boston Marathon last year were made using improvised fuses from Christmas lights and detonators constructed from model car parts, US prosecutors said.
The FBI was Thursday hastily seeking to identify victims of a serial pedophile who drugged and molested dozens of children over four decades teaching at international schools around the world.
Russia declined to provide the FBI with information about one of the Boston marathon bombing suspects two years before the attack, The New York Times reported.