RICHMOND -Alone, in couples and in small groups, dozens of people cross the street to Century Park from the Excelsior Springs Community Center. Grandparents, parents and young adults cluster. Some stand on the grass-and-clover lawn that slopes down to a pond. Some sit at tables within a pair of pavilions. Still in their years of innocence, children laugh, climbing on playground equipment. The last rays of the day cast glittering, golden light on the pond between the park and the cemetery. Anns wrap around shoulders. There arehugs, trembling, tears and tender words of support. Family and friends unite to share their loss and their memories of Trinton “Trint” Phillips, 21 "As a brother, I'm going to remember all the stuff he did for me," Tanner Phil· lips says, holding himself together while standing on the lawn. "The dude would just buy me shoes out of nowhere. He was such a good kid. I wouldn't ask for anything from him and he would always buy me shirts. He was by far the best big…