Rakeem Nixon was 22 when he was shot and killed in Springfield, Massachusetts on March 15, 2015. The case produced an arrest: investigators charged 17-year-old Christopher Montgomery with the murder after a juvenile witness initially told police they saw Montgomery shoot Nixon. Authorities said the witness’ account included a motive tied to Montgomery being upset about the way Nixon had looked at him.

Montgomery pleaded not guilty and was held without bail at first. The prosecution’s case weakened when that key witness recanted and later told a grand jury they had not seen the shooting; bail was reduced to $5,000. In August 2016 prosecutors moved to dismiss the murder charge, saying there was insufficient evidence to prove the case beyond a reasonable doubt because the witness was unavailable, while leaving open the possibility of refiling if new evidence or testimony surfaced.

Did anyone in Springfield at the time see or hear anything that could shed more light on what happened to Rakeem Nixon?