Another thought, don't know whether possible:
Abducted from South bridge end, driven by car to another location, left dead at some place on RL-ground. RL found them, panicked because of possible investigation into himself (alcohol, driving etc.) and notified someone to help him dragging ("Not in a million years!") the bodies by night to the already searched location on his property (last CS) where it seemed impossible to have dragged or carried the two bodies (as he said and stressed).
Does it make sense in any form?