FILE - People sign "I love you" while gathered at a vigil for the victims of a mass shootings, Oct. 29, 2023, outside the Basilica of Saints Peter and Paul in Lewiston, Maine. A lieutenant colonel with the Army Reserves says a reservist who would go on to commit the deadliest mass shooting in Maine history had a low threat profile when he left a psychiatric hospital prior to the killings. Lt. Col. Ryan Vazquez testified Monday, June 17, 2024 in front of a state commission investigating the Lewiston shootings to answer questions about what Army officials knew about shooter Robert Card prior to the Oct. 25 shootings. (AP Photo/Matt Rourke, file)