Guantanamo also holds 135 whom the Pentagon has no plans to prosecute but considers too dangerous to release. The Pentagon lacks evidence to lodge war-crimes charges, said a midlevel U.S. government official, but annual reviews have found these prisoners are threats who must continue to be held. Guantanamo also holds 135 whom the Pentagon has no plans to prosecute but considers too dangerous to release. The Pentagon lacks evidence to lodge war-crimes charges, said a midlevel U.S. government official, but annual reviews have found these prisoners are threats who must continue to be held. Because there is little evidence against them that could be used in a U.S. court, government officials fear that a federal judge could order them freed. “Then you would have 100-plus future sleeper-cell members unleashed in Kansas,” for instance, said the midlevel official, who also spoke on condition of anonymity. “That is what the government is trying to prevent.”