' He cites ` ` treatment , threats , miserable living conditions '' He says Tehran wants to exchange him for other prisoners . Family pleads for his release . He is a decorated Marine who served from 2001 to 2005 .
' He cites ` ` treatment , threats , miserable living conditions '' He says Tehran wants to exchange him for other prisoners . He is a decorated Marine who served from 2001 to 2005 .