Earlier quoted context omitted.
Maybe the FBI should concentrate their efforts on finding that someone and asking them what the password is.
I would assume they have found that person. It's curious that anyone took it upon themselves to initiate the password reset without authority, but I'd bet they have simply forgotten what they changed it to.
The phone is critical evidence, according to the FBI and the legal actions around this phone. If the phone's password was changed after the crime without authority the person who did this would have been charged with tampering with evidence.
> I'd bet they have simply forgotten what they changed it to.
What possible reasoning are you using to conclude that a government employee changing the password of a phone after it was known the phone was used by a terrorist would have "simply forgotten what they changed it to"?