“Outside party demonstrated to the FBI a possible method for unlocking Farook’s iPhone,” DOJ says. “NAND mirroring” involves copying the contents of the iPhone’s flash storage, forensics expert Jonathan Zdziarski says. The government says it has a lead on an alternate way to crack the iPhone 5C used by Syed Rizwan Farook. Farook, along with his wife, Tafsheen Malik, killed 14 people in San Bernardino, Calif., on Dec. 2, 2015.”]
Source: https://www.csoonline.com/article/3047516/heres-how-the-fbi-plans-to-crack-terrorists-iphone.html