Where an expert’s affidavit relies on documents that are not included in the court filings, the trial court may properly strike the affidavit.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Kathy M. Flanagan.On the evening of July 15, 2008, Friehiwet Tahir was standing on the Chicago Transit Authority’s Argyle L station platform. As the train approached, Friehiwet had her right arm extended into the train’s right of way.The train struck her elbow; Friehiwet lost her …