Maine's yellow flag law examined amid mass shooting person of interest鈥檚 mental health history
Retired NYPD inspector Paul Mauro tells 鈥楢merica鈥檚 Newsroom鈥� that police will 鈥榳ork backward鈥� by looking through the suspect鈥檚 phone, computer, finances, and other clues to 鈥榰nderstand this guy.鈥�
