SOUTHFIELD — The Michigan chapter of the Council on American-Islamic Relations this week renewed its call for due process for a Michigan Muslim on the 500th day of his indefinite detention in Iran. 

Amir Hekmati, a former U.S. Marine, has been detained in Iran since August of 2011 on allegations of espionage. Family members say that he went to Iran strictly for the purpose of visiting family and for tourism. 

In January 2012, Hekmati was sentenced to death, but the conviction was later overturned due to a procedural error. Hekmati rem