Maine police investigate deadly shooting spree.

Four people were found dead in a home in Bowdoin, Maine, and shortly after, three drivers were shot on Interstate 295 in Yarmouth. A person of interest has been detained, and there is no threat to the public. The cause and manner of death for the four people found dead in Bowdoin have not yet been determined. One of the interstate shooting victims is in critical condition. Maine State Police are investigating the incidents.