_____________________. The department has been seeking to force Apple to unlock the phone to help the investigation into the shooting of 14 people in the Californian city last December. ______________________.去年12月,加州圣伯纳迪诺市发生枪击案,致14人死亡,美国司法部一直力图迫使苹果公司解锁嫌疑人手机以协助其调查.