The phone belongs to Isis-linked Dahir Adan who stabbed 10 people in a mall before being fatally shot.
FBI wanted access to emails to intercept communications of a foreign terrorist organisation.
The stolen data reportedly contained NSA 'source code' used by elite hackers.
Investigators are also investigating if Martin was behind the August leak of NSA hacking tools online.
Ex-employees say the internet company built custom software to snoop on customers.
Comey called on state officials to remain vigilant as 'bad players have been poking around.'
There is no information about the number of people targeted or affected in the alleged hack.
The firm is considered one of Silicon Valley's most secretive and valuable companies.
Fuelled by gun violence and an increase in murdered African-American men, says report.
Ahmad Rahami is undergoing treatment for gunshot wounds and faces charges of attempted murder.
The House Oversight Committee is reviewing the claims that the IT specialist sought advice on how to 'strip out' Clinton's email address.
Two locations were bombed over the weekend in attacks described as deliberate.
Investigators probing possible links among all devices.
Investigators now probing if bomb in New Jersey is linked to the one in Manhattan that injured 29.
The FBI has until date not revealed who helped it crack the iPhone.
The ruling pertains to the case of Jeffrey Torres who was caught for using dark web child pornography site Playpen.
Two 18-year-old Israeli hackers were arrested after Krebs exposed them as the 'alleged masterminds' behind vDOS.
The group shot into prominence after hacking personal email account of CIA director John Brennan in 2015.
Mystery hacker may have used Tor Network to access the staffer's email.
FBI director James Comey said that the agency is looking to 'steal people' from the private sector.
The emails may be linked to the 2012 attack on the compound in Libya where a US diplomat died.
Harry Reid calls for the FBI to fully investigate alleged Russian plans to falsify election results.