Deon Lee, 30, was in the Division 9 section of the southwest jail when he became sick around 12:20 a.m. Friday. He died at 1:01 a.m., according to the Cook County medical examiner’s office.
Deon Lee had last been seen about 20 minutes earlier during routine security checks, when “there was no indication he was in distress,” the Cook County sheriff’s office said.