Three months after the Illinois Appellate Court ruled Marie Cahill qualified as an “interested person” who was authorized to pursue a qui tam complaint under Section 15(a) of the Insurance Claims Fraud Prevention Act — because she had “personal, nonpublic information of possible wrongdoing” by her former employer in submitting bills to a health insurer, State ex rel. Leibowitz v. Family Vision Care, 2019 IL App (1st) 180697 — the 1st District decided that Richard Feingold — a sharp …