Tim Cook

New FBI head in San Francisco was key figure in iPhone hack

Special Agent Jack Bennett was at the FBI's computer investigation lab in Quantico, Virginia, on a Sunday in March when an outside company showed the bureau how it could hack into an iPhone used by one of the San Bernardino shooters.

The tool would end the FBI's high-profile fight with Apple over access to the phone, but Bennett said there was no celebration.

"There wasn't high fives, and there weren't people singing down the hallways," he recalled. "It was very much business. 'OK, let's move forward to the next steps. Let's get on the phone. What do we need to do to purchase the tool?'"

The iPhone fight exposed a rift between the FBI and Silicon...