The shocking images are of Hawaii resident Pamela Guillen, 40, and 25-year-old Naomi Greer-Wilkinson from Los Angeles, who each took life-threatening rides on a roller coaster in California.

CNN investigation uncovers years of reported brain injuries linked to world-famous roller coaster

Two women needed emergency brain surgery after riding the Six Flags coaster days apart; both families say the park later offered them food, including McDonald’s, as serious…