HORRY COUNTY, S.C. (WBTW) -- The family of a motorcyclist killed in February after colliding with a construction vehicle is suing over claims that it was illegally parked at the time of the wreck. William McLean, 52, died Feb. 19 after his Harley-Davidson struck a tractor on Old Sanders Road near Little River. The suit, filed Friday in Horry County Common Pleas Court, names RCB Contractors, JJ Spray and Fertilizing, A.O. Hardee and Son and two e…