Best, I sorta agree with your last sentence.
She used her car as a lethal weapon, the Cleveland guy only could of used a car as a lethal weapon
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He did use the car as a lethal weapon. He had no regard at all for others on the road with him. The difference-people were lucky he didn't kill them with his reckless use of the lethal weapon, the man she ran down wasn't so lucky.
A lethal weapon means a deadly weapon. Any firearm, device, instrument, material, or any other substance that is capable of producing great bodily harm or death from the manner it is used or intended to be used, may be referred to as a lethal weapon. A gun, sword, knife, pistol, or the like, is a lethal weapon, as a matter of law, when used within striking distance from the person assaulted.