IndyCar president Doug Boles said Wednesday that "absolutely it's a miss" that Team Penske raced with modified attenuators for at least a year before an IndyCar tech team member finally caught the infraction Sunday prior to qualifying for the Indianapolis 500.

Team Penske fires president Tim Cindric, IndyCar managing director Ron Ruzewski and GM Kyle Moyer in wake of scandal.

Team Penske parted Wednesday from the organization with Team President Tim Cindric (photo), INDYCAR Managing Director Ron Ruzewski and INDYCAR General Manager Kyle Moyer.

IndyCar is exploring the creation of an independent governing body absent of any Roger Penske employees in the wake of the Team Penske cheating scandal ahead of the Indianapolis 500.

Roger Penske apologized for recent "organizational failures" while announcing the departures of these key individuals