RedactedNarrative: Officer states he responded to an accident reported.  Upon officer arrival, the boat and all subjects were gone.  Officer learned the subject was transported to Good Shepherd Hospital, Barrington.  Officer spoke with injured subject who stated that while attempting to wakeboard, he fell off and broke his right leg above the knee.  He was pulled to shore and transported to the hospital.  Vessel operator stated the same version of events as victim.  No further action taken.