Tree of Life shooting October 28, 2018 • 3000 × 1996 • A portrait of the ‘darkest day in Pittsburgh’s history’ Rosie Villano, left, and Chai Smith, both Carnegie Mellon University students, hold candles during an interfaith vigil, Saturday, Oct. 27, 2018, outside of Sixth Presbyterian Church in Squirrel Hill. (Alexandra Wimley/Post-Gazette)