The prosecuting attorney said Smith intended to retaliate against police for seizing guns from his home in 2019. That followed an incident in which River William Smith, at age 17, fired a rifle indoors and indirectly injured his grandmother.
Authorities found multiple disturbing social media posts and photos on the killer s phone. LMPD also discovered multiple notebooks where he wrote daily "diaries" about his unhappiness with his job direction, society, and political issues.
Deputies from the Sagadahoc County and Kennebec County Sheriff’s Offices responded and tried to contact the shooter on September 16, less than six weeks before last Wednesday’s massacres in a bowling alley and a bar.