RedactedNarrative: Units 1 and 2 were traveling north on the waccamaw river.  Unit 1 turned his pwc and came to a stop facing south.  Unit 2 was unable to avoid collision due to speed and following too closely.  Unit 2 struck unit 1 bow to bow causing unit 2 to travel over unit 1.  Unit 2 struck the operator of unit 1 causing fatal injuries.