FISHERS, Ind. (WOWO): Authorities have identified the body found in an SUV as that of the missing teen from suburban Indianapolis. Fishers police say that the Hamilton County coroner's office determined that Peyton Riekhof died from drowning. Her body was found in her vehicle when it was pulled Sunday from eight feet of water in Geist Reservoir after a resident saw tire tracks leading into the lake. Riekhof was last seen early Thursday morning.