such a convoluted big story, done in so few words.  so lacking....
 RG:  " Law enforcement officials responded to calls about a man shooting at vehicles driving on I-5 in Jackson County at about 7:30 a.m. and closed the freeway shortly after, Oregon State Police said.

The man was run over and killed by a motorist. " -  as written. 

  ...the killer car, floated down from outer space, squished a bad guy and then took off again...