Anthony Diaz was 21 when he was shot and killed on the evening of March 30, 2020, on Whiting Street in Springfield, Massachusetts. He was taken to Baystate Medical Center and later died of his injuries. Another person who had been with Diaz was wounded in the same attack but survived.

Investigators identified two suspects in the shooting. A juvenile was arrested on April 7, 2020. On May 21, 2020, the U.S. Marshals Fugitive Task Force assisted Springfield police in apprehending 23-year-old Dave Pagan. Authorities reported that both Pagan and the juvenile fired into the vehicle where Diaz was seated. Pagan was charged with murder in connection with the killing.

Anyone who knew Anthony, saw activity on Whiting Street that night, or has information about the shooting is asked to come forward.