Utilitarian philosophy argument. The benefit gained by solving one murdered loved-one case is badly offset by the loss accrued to everyone by no longer having t

Utilitarian philosophy argument. The benefit gained by solving one murdered loved-one case is badly offset by the loss accrued to everyone by no longer having the security protections they expected. This specific case, in fact, is pretty close to "murder of a loved one;" the phone's owner killed people, and the FBI wants to find out if they were part of a bigger plot.