Eric Callender, 12, center, covers his face as he speaks about his best friend David McIntyre, 11, during a candlelight vigil on Hays Avenue in Mt. Oliver on Tuesday, December 1, 2015. David was shot and killed and his brother CJ Mikula-Conrad, 16, was critically injured when a gunman enter their home and began shooting one month ago. Angela Mancini-Boyer, left, of McKees Rocks bows her head as Miranda Malloy, 16,second from left, hugs Alayzia Cain, 10. Rebecca Droke/Post-Gazette
The mourners gathers for a candlelight vigil in honor of David McIntyre, 11, on Hays Avenue in Mt. Oliver on Tuesday, December 1, 2015. David was shot and killed and his brother CJ Mikula-Conrad, 16, was critically injured when a gunman enter their home and began shooting one month ago. Rebecca Droke/Post-Gazette
Alayzia Cain, 10, and Eric Callender, 12, both of Mt. Oliver comfort each other as they gather for a candlelight vigil in honor of David McIntyre, 11, on Hays Avenue in Mt. Oliver on Tuesday, December 1, 2015. David was shot and killed and his brother CJ Mikula-Conrad, 16, was critically injured when a gunman enter their home and began shooting one month ago. Cain and Callender were best friends of David. Rebecca Droke/Post-Gazette
A candlelight vigil on Hays Avenue in Mt. Oliver on Tuesday, December 1, 2015. David McIntyre was shot and killed and his brother CJ Mikula-Conrad, 16, was critically injured when a gunman enter their home and began shooting one month ago. Rebecca Droke/Post-Gazette
A modern light fixture in the living room of the North Side home owned by Greg Coll and Doris Short. Nate Guidry/Post-Gazette
Pitt’s Rafael Maia blocks a shot by Purdue’s A.J. Hammons in the first half Tuesday at the Petersen Events Center. Matt Freed/Post-Gazette
Pitt’s Rafael Maia tries to grab a rebound against Purdue’s Caleb Swanigan in the first half Tuesday at the Petersen Events Center. Matt Freed/Post-Gazette
Pitt’s Michael Young celebrates after dunking against Purdue in the first half Tuesday at the Petersen Events Center. Matt Freed/Post-Gazette
The Pittsburgh Panthers men’s basketball team played the Purdue Boilermakers Tuesday, Dec. 1, 2015, and lost 72-59, at the Petersen Events Center. Matt Freed/Post-Gazette
Matthew Boice, director of the Quaker Valley High School Concert Choir, speaks to the audience before the chorus’ 48th consecutive appearance kicking off in the holiday choral performances at the Allegheny County Courthouse, December 1, 2015. Larry Roberts/Post-Gazette
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