(September 2, 2015, 12:36 PM EDT) -- SAN FRANCISCO — Chipotle Mexican Grill Inc., a Mexican fast-food chain, is deceiving its customers by claiming that its products are free of genetically modified organisms (GMOs), a California woman claims in her class complaint filed Aug. 28 in the U.S. District Court for the Northern District of California (Colleen Gallagher, et al. v. Chipotle Mexican Grill, Inc., No. 15-3952, N.D. Calif.)....