(May 15, 2018, 1:17 PM EDT) -- LOS ANGELES — A California federal judge on May 11 unsealed five whistle-blower lawsuits alleging that Insys Therapeutics paid kickbacks for doctors to prescribe its opioid drug Subsys (United States of America, et al., ex rel. Maria Guzman v. Insys Therapeutics, Inc., et al., No. 13-5861, United States of America, et al., ex rel. John Doe, et al., No. 14-34888, United States of America, ex rel. Allison Erickson, et al. v. Insys Therapeutics, Inc., No. 16-2956, United States of America, ex rel. Jane Doe, et al. v. Insys Therapeutics, Inc., No. 16-7937, C.D. Calif., Western Div.)....