Reports say car crashed off South side of canyon about 8 a.m. Monday . Incident occurred near El Tovar , in Colorado . `` Upon arriving at the scene , investigators found tire tracks leading to the edge behind the Thunderbird Lodge and received reports of a single occupant in a blue passenger car driving over the edge , '' the statement said . National Park Service is investigating . Officials are n't sure that incident is a suicide .
Reports say car crashed off South side of canyon about 8 a.m. Monday . Incident occurred near El Tovar , in Colorado . National Park Service is investigating . Officials are n't sure that incident is a suicide .