Update Tuesday Dec. 17, 8:55 a.m.

Knox County Sheriff's Office has charged 61 year old Rodney Lee Scott with two counts of attempted first degree murder.

He is also facing one count of attempted assault and leaving the scene of an accident.

Scott is accused of shooting 23 year old Tyler Larkin three time in the back and once in the wrist .

He is also accused of striking motorcyclist J.R. Tinsler, 33 of Knoxville, with his SUV prior to the shooting.

A witness stopped to help and followed Scott to his address. He and the two motorcyclists stayed in the street waiting for police. Neighbors say during this time Scott shouted racial slurs a the biker then went into his garage.

According to the sheriff's office, Scott came out of the garage with a gun in each hand shooting at the men in the street and continued to shoot Lakin as he lay in the road.

Detectives with the Sheriff's department believe there are more witnesses to the road rage incident on Interstate 640 and Washington Pike and ask that anyone who saw what happened to contact KCSO at 215-2243.

The sheriff's department says Scott was involved in a road rage incident in March of 2002. He was charged for stopping a car on Millertown Pike and assaulting one of the passengers. Scott was given judicial diversion in that case.

Previous Story, Monday, December 16:

An apparent case of road rage led to a shooting Monday afternoon in East Knox County.

According to the Knox County Sheriff's Office, a man driving a Saturn SUV cut off two motorcycles as they exited I-640 onto Washington Pike around 4 pm. As the two motorcyclists continued behind the SUV, investigators said the the driver stopped and backed up, knocking one of the motorcycles over.

Joseph Jackson was a witness of the incident. After the SUV backed up onto one of the motorcycles, the riders asked Jackson to call the police and follow the SUV so they could report the license plate number.

The SUV brought them to a neighborhood and stopped at a home at 2705 Mary Emily Lane. Jackson said the suspect came out of the residence yelling and shooting a gun. One of the motorcyclists was shot multiple times and was taken to UT Medical Center. The others were not injured.

Jackson said when the gun was pulled, he ducked down in his car seat only to witness the motorcycle rider being shot. He said after the suspect shot multiple rounds, he stood and stared.

The suspect is in custody and is being questioned by investigators.