Admiral : If they return to the country , ` ` they become legitimate enemies '' U.S. Embassy in Kabul says the prisoner release is ` ` deeply regrettable '' The US says some of those prisoners are linked to attacks on American troops . Afghanistan says it does n't have enough evidence to keep them behind bars .
Admiral : If prisoners return to the fight , `` they become legitimate enemies '' U.S. Embassy in Kabul says the prisoner release is `` deeply regrettable '' U.S. military says some of those freed are linked to attacks on U.S. troops . Afghanistan says it does n't have enough evidence to keep them behind bars .