Defense Department , Swiss police ' n't yet confirm reports . Bauer and Bauer were seized two days ago . Another hiker , Sarah Shourd was freed in September for medical reasons . Tehran , Iran ( CNN ) -- Human rights groups have accused authorities of using hikers as ` ` a bargaining chip ''
Defense Department , Swiss police ' n't yet confirm reports . Bauer and Bauer were seized two days ago . Another hiker , Sarah Shourd was freed in September for medical reasons . Human rights groups have accused authorities of using hikers as ` ` a bargaining chip ''