Victim identified as Diion Reid, 27, of East Boston.
Boston Police reports officers responding to a 911 call at 7 Shelby St., between Lexington and Princeton streets in East Boston, found a man shot to death in the vehicle, around 12:25 p.m.
Photos from the scene show them placing evidence markers in the street.
Anybody with information can contact homicide detectives at 617-343-4470 or the anonymous tip line by calling 800-494-TIPS or by texting TIP to CRIME (27463).
Boston murders in 2021.