Jimmie Johnson will not race this weekend in NASCAR's Cup Series street race in Chicago following the deaths of his wife's parents in Oklahoma.
Police in Muskogee told TMZ that Jack and Terry Janway and an 11-year-old boy were found dead in their home on Monday night.
Police said they received a 911 call from a woman who reported someone with a gun before hanging up. All three died from gunshot wounds, police told TMZ.
The circumstances of their deaths remain under investigation. NASCAR this week is preparing for its first foray into street course racing.
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