(NEWSER) – A family is warning about the dangers of "car surfing" after a 16-year-old died in Iowa. Shana Chavez had just gotten off work at a Theisen's farm supply store last Friday when she and another girl hopped on the back bumper of an SUV while a 17-year-old male drove around the parking lot. At some point, Shana fell from the vehicle, NBC News reports.

Cedar Rapids police found Shana with serious injuries around 9:30pm, reports KWWL, and she later died at a hospital. "She got off work like 15 minutes [before] and then you know, made one mistake," says sister Chevelle. Police initially told KWWL they were investigating whether anyone should be charged in the case, but now say they aren't looking for anyone involved.

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