The Harley Davidson motorcycle was being followed by a 2003 Ford Taurus passenger car, operated by Richard Kenneth Cornelison, 27 of Lusby, Maryland. The motorcycle approached a 2002 Jeep Cherokee, operated by Jacklyn Marie Cox, 21 of St. Leonard, Maryland with passenger, Katelyn Ruth Wilt, 21 of St. Leonard, Maryland in the vehicle. The Jeep Cherokee was also traveling south on Route 4.
Mr. Heller applied brakes; however, still collided with the rear of the Jeep Cherokee. The collision ejected both occupants of the motorcycle. After being struck, the Jeep Cherokee skidded sideways. Mr. Cornelison swerved to avoid the motorcycle and collided with the Jeep Cherokee.