Gunman Confesses to Highway Shooting and 4 Murders in Maine

A family driving on a Maine highway was shot at, leaving three injured.
The shooter, Joseph Eaton, confessed to the highway shooting and four killings at a home.
Eaton has been charged with four counts of murder but not yet for the highway shooting.
The motive for Eaton's violent acts is still unknown.
The victims of the highway shooting are recovering as authorities investigate the incidents.