From the South Carolina Highway Patrol: on details of the fatal collision from Saturday, January 16, 2021:
"The collision occurred at 12:25 pm on Interstate 95 southbound near the 117 mile marker. There were 2 units involved. Unit 1 was a 2018 Harley-Davidson. The rider of the Harley is deceased. The rider was the only occupant of the motorcycle, and was wearing a helmet. The operator of the Harley was transported to Clarendon County Hospital, where they would later succumb to their injuries.
Unit 2 was a 2020 Winnebago. The driver of the Winnebago was the only occupant in the vehicle, was wearing a seat belt and was not injured.
The collision occurred as follows:
Unit 1, the 2018 Harley-Davidson and Unit 2, the 2020 Winnebago, were traveling South on Interstate 95. The Harley then struck the rear of the Winnebago."
That is all of the information that is available at this time, more details will be added as they are obtained.