Aaron Walker holds a photo of his sister, Tyli’a ‘NaNa Boo’ Mack, during a vigil for her last week. She died Aug. 26 after being attacked in Northwest D.C. Police have no suspects in the attack. (Blade photo by Michael Key)
About 250 people gathered amid raindrops in Northwest D.C. last week to remember a 21-year-old transgender woman who was stabbed to death as she and a friend were walking to the offices of a transgender services organization.