FRAMINGHAM — Massachusetts State Police have identified an off-duty trooper who died after suffering a medical emergency while exercising in Framingham.Police say Matthew Daigle was taken to an area hospital where he was pronounced dead on Wednesday.Spokesman Dave Procopio said at least 20 police cruisers escorted the trooper's body from the hospital to the medical examiner's office in Boston for an autopsy.Police say the 31-year-old Daigle was a veteran of the U.S.