Malone Kidanemariam, 25, of Roxbury, was arraigned in Boston Municipal Court on a charge of leaving the scene of an accident causing death in connection with the crash. Hundreds packed the courthouse in support of Kidanemariam, who is a college graduate with no criminal record. “He’s very nice. Everybody’s shocked by what happened,” said Afeworki Kidanemariam, the suspect’s uncle. Related Story: Loved ones mourn death of cyclist killed in Back Bay hit-and-run Richard Archer was riding his bicycle on Commonwealth Avenue when he struck just before 3:30 a.m. on April 30.