Hacker Dumps iOS Cracking Tools Allegedly Stolen from Cellebrite
motherboard.vice.com
motherboard.vice.com
Though that company may have been working on such things already, and though Israel is an ally, American law enforcement using a foreign company of a nation that, for example, exports technology to China, to hack the iPhone in a manner that Cook and many others (even myself) would make its way to the public ... argh.
Everyone says an "unidentified hacker" did it; it's possible John McAfee's team did it, it's possible someone else did it. I think the sentiment in the article is pretty cool though, from an overall-security standpoint.