Linn County, IOWA – According to the statement, his name is Marshall Mosby and authorities say he died Friday night after complaining of chest pains.
Officials say that an autopsy is planned.
The 39-year-old inmate was being held in a federal drug case.
Inmates in a dormitory-style cell notified authorities right after 9 p.m. Friday that he needed medical attention.
This is a developing story and it will be updated as new information become available.