The FBI launched an investigation at Rahal Letterman Lanigan Racing's headquarters Wednesday morning, Zionsville Mayor John Stehr confirmed to IndyStar. "The FBI asked us to assist this morning as they served a warrant at the (Rahal Letterman Lanigan) headquarters building,

FBI agents investigate the Rahal Letterman Lanigan Racing headquarters; the nature of the inquiry is undisclosed.

Federal agents with the FBI with the help of Zionsville police conducted a raid at the headquarters of Rahal Letterman Lanigan Racing on Wednesday.The FBI said the raid was part of an active investigation but has not released details on what the investigation pertains to.

Zionsville Mayor John Stehr confirmed to IBJ that the FBI “requested assistance” from Zionsville police for investigative activity, with authorities arriving at the team’s facility at 10771 Creek Way at about 8:30 a.

The FBI raided Rahal Letterman Lanigan's racing headquarters in Indiana on Wednesday, according to local news reports. Officials with the bureau confirmed to FOX59 that agents were at the headquarters at 10771 Creek Way in Zionsville on Wednesday as part of an active investigation.

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The FBI has descended upon the Indiana headquarters of Rahal Letterman Lanigan Racing, an IndyCar team co-owned by television icon David Letterman. This unexpected news has sparked plenty of speculation within the racing community.

The Federal Bureau of Investigation had agents at Rahal Letterman Lanigan Racing’s race shop located just outside of Indianapolis on Wednesday. The reasoning behind its visit to RLL's headquarters in Zionsville,