Friends and supporters gathered at Ralston Park on the evening of March 1 to remember Tammy Hopper, who died Feb. 9 in what authorities suspect was a double murder in Hopper’s home on Shannon Place. Participants in the candlelight vigil described Hpper as a woman who made the world a better place, a kind person who was the life of the party, who had “a huge heart” and would “mama bear” kids and adults alike.…