Where did the driver go?

The Oakland County Sheriff’s Department and the Orion Township Fire Rescue responded to a call of a snowmobile accident on Lake Orion late Saturday evening, but were unable to locate the driver of the snowmobile involved.
According to an OCSD report, around 9:40 p.m., a call came into the fire department of an unconscious male in the middle of Lake Orion. When the OCSD arrived, several witnesses said they were snowmobiling on the lake and were stopped in the middle of the lake when another snowmobile, occupied by two white males, suddenly came toward them, traveling at a high rate of speed.
The witnesses said the driver of the snowmobile attempted to stop to avoid striking them, but was unable to and struck two of the snowmobiles in their group. They said both occupants of the snowmobile that struck them flew about 10 feet into the air, with the driver landing on the ice facedown.
They said the man, later identified as Michael Chisholm Jr., 33, of Auburn Hills, was unconscious about five minutes and was bleeding from his face and head.
Witnesses told the OCSD that a few minutes later, a pickup truck pulled up, and the passengers of the