Complex sentence: Joseph Amorello, owner of a road construction company who had occasionally hired Fidrych to haul gravel or asphalt, stopped by the farm to chat with him when he found the body underneath the dump truck.
Split into simpler sentences: Joseph Amorello, owner of a road construction company, occasionally hired Fidrych to haul gravel or asphalt. He had stopped by the farm to chat with Fidrych when he found the body underneath the dump truck.