If only one had heard it, you could blame a hyperactive imagination, but when three say they heard the same thing, you have to wonder what was going on. There is no explanation why the car Lynn Jennifer Groesbeck, 25, was driving ended up upside down in Utah’s Spanish Fork River along with her 18-month-old daughter Lily. And it wasn’t until the next day, an estimated 14 hours after the crash, that a man fishing along the banks saw the bottom of the car protruding from the shallow waters of the river.