At approximately 7:35pm tonight, officers from District B-3 responded to the area of 1258 Blue Hill Ave. in Mattapan for a person stabbed. On arrival officers located a 29-year old male victim suffering from multiple stab wounds. The victim was rushed to Boston Medical Center by ambulance where he succumbed to his injuries and was pronounced.Homicide Detectives are actively investigating this incident and urge anyone with knowledge regarding this incident to contact the Homicide Unit at (617) 343-4470. Individuals wishing to maintain anonymity may do so by calling the CrimeStoppers Tip Line at 1-800-494-TIPS.