Last year , for example , police in athol , mass . , Working with a cellphone carrier , were able to pinpoint the location of a 9-year-old girl who allegedly had been kidnapped and taken to virginia by her grandmother .

例如去年，马萨诸塞州athol的警方与手机运营商合作锁定了一名9岁女童的位置，这名女童据称被她的祖母绑架到了弗吉尼亚州。