The man identified as a person of interest in a mass killing in Maine is a firearms instructor trained by the military and was recently committed to a mental health facility, according to a state police bulletin. The police intelligence bulletin, reviewed by The Associated Press, was being circulated to law enforcement officials on Wednesday night after the shootings that left at least 16 people dead. READ MORE: https://www.king5.com/article/news/nation-world/lewiston-maine-shootings-leave-several-dead-many-injured-police-say/507-acd35048-4eb0-48f9-8b49-fd6ec609c6b4