Greenville native and Illinois Congressman, Jesse Jackson, Jr., is being treated at the Mayo Clinic for depression, the hospital announced late Friday.

Jackson is undergoing an extensive inpatient evaluation for "depression and for gastrointestinal issues," the hospital said, providing the first details about his medical condition, according to a report by The Associated Press. "But the statement didn't disclose where the longtime Chicago congressman, the son of civil rights leader Jesse Jackson, had previously been staying," the AP said.

But the latest news is the most detailed since Jackson disappeared from view in June, taking a prolonged leave of absence from his job in Congress. Since June, the congressman's staff and family have been mum on Jackson's specific ailment and where he was being treated. The veil of secrecy surrounding Jackson has prompted people from both sides of the political aisle to criticize Jackson for not being more forthcoming with the public, especially his constituents, since Jackson is facing reelection this year.  

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