Where the state gathers cellular site location information without a warrant, that constituted an unreasonable search, however, the admission of such evidence may be considered harmless if the evidence against the defendant was overwhelming and the data information simply supported the testimony of witnesses rather than contradicting it.The 1st District Appellate Court affirmed the decision of Cook County Associate Judge James B. Linn.Edward Cleveland, a retired medical transportation driver, spent his Saturdays driving 72 …