(August 9, 2019, 10:13 AM EDT) -- CHICAGO — A federal judge in Illinois on Aug. 5 held that an insurer has no duty to defend against Aetna Inc.’s claims that insureds bilked more than $21 million out of Aetna, employers and Aetna members through “an extensive health care billing fraud scheme,” finding that coverage is barred by the “interrelated wrongful acts” and “healthcare services” policy exclusions (Arch Insurance Company v. PCH Healthcare Holdings, LLC, et al., No. 18-02691, N.D. Ill., 2019 U.S. Dist. LEXIS 130681)....