With one .
The U.S. announced the transfer Tuesday of six Guantanamo Bay prisoners back to their home countries, including one who, according to his lawyers, now may face abuse in Tunisia for nonviolent political activities.With the transfer of four men to Yemen and two to Tunisia, the U.S. military says it now holds about 375 men at its base in southeast Cuba on suspicion of terrorism or links to al-Qaida or the Taliban.