Also Read: FBI Director — "What If Apple Engineers are Kidnapped and Forced to Write Code?"
When the feds approached Apple to help them brute force the passcode without losing data, the company suggested the FBI an alternative way, i.e.:
FBI Director: It was a 'Mistake' to Reset iCloud Password
"As I understand from the experts, there was a mistake made in that 24 hours after the attack where the [San Bernardino] county at the FBI's request took steps that made it hard—impossible—later to cause the phone to back up again to the iCloud," Comey said in testimony.
FBI Asked NSA to Unlock iPhone, But NSA couldn't Do it
I'd like to ask about law enforcement finding technical solutions....Has the FBI pursued these other methods tried to get help from within the federal government, such as from agencies like the NSA?
Yes is the answer. We've talked to anybody who will talk with us about it, and I welcome additional suggestions.
Also Read: Apple hires developer of World's Most Secure Messaging App.