The semi-truck accident cases are so complex because it is hard to prove the liability of the at-fault parties in such cases. There are many parties involved in a truck accident case — truck drivers, trucking companies, independent contractors, government agencies, truck manufacturers, and other parties. It requires expert truck accident lawyers to analyze who is liable to pay compensation to the victims in a truck accident. It is not always easy to establish that the at-fault party owed a duty of care to the victims without analyzing the evidence provided to the truck accident attorney. This evidence can be police reports, the records of the driver at the trucking company, the rules and regulations of tracking companies, weather conditions at the time of the accident, manufacturing defects, etc.